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Finding the Fourth Proportional to 358,064.48, 537,056.55 and 91,831.25

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Solution

The fourth proportional to 358,064.48, 537,056.55 and 91,831.25 is: 137,736.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,064.48 : 537,056.55 = 91,831.25 : x
  2. Step 2: Convert to fraction form
    358,064.48/537,056.55 = 91,831.25/x
  3. Step 3: Cross multiply
    358,064.48x = 537,056.55 × 91,831.25
  4. Step 4: Simplify right side
    358,064.48x = 49,318,575,649.83
  5. Step 5: Solve for x
    x = 49,318,575,649.83/358,064.48
  6. Step 6: Final answer
    x = 137,736.58

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