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Finding the Fourth Proportional to 358,577.80, 537,866.70 and 342,831.40

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Solution

The fourth proportional to 358,577.80, 537,866.70 and 342,831.40 is: 514,247.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,577.80 : 537,866.70 = 342,831.40 : x
  2. Step 2: Convert to fraction form
    358,577.80/537,866.70 = 342,831.40/x
  3. Step 3: Cross multiply
    358,577.80x = 537,866.70 × 342,831.40
  4. Step 4: Simplify right side
    358,577.80x = 184,397,593,774.38
  5. Step 5: Solve for x
    x = 184,397,593,774.38/358,577.80
  6. Step 6: Final answer
    x = 514,247.10

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