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Finding the Fourth Proportional to 247,920.84, 342,128.88 and 134,744.40

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Solution

The fourth proportional to 247,920.84, 342,128.88 and 134,744.40 is: 185,946.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,920.84 : 342,128.88 = 134,744.40 : x
  2. Step 2: Convert to fraction form
    247,920.84/342,128.88 = 134,744.40/x
  3. Step 3: Cross multiply
    247,920.84x = 342,128.88 × 134,744.40
  4. Step 4: Simplify right side
    247,920.84x = 46,099,950,658.27
  5. Step 5: Solve for x
    x = 46,099,950,658.27/247,920.84
  6. Step 6: Final answer
    x = 185,946.25

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