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Finding the Fourth Proportional to 99,484.48, 137,264.94 and 56,454.40

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Solution

The fourth proportional to 99,484.48, 137,264.94 and 56,454.40 is: 77,893.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,484.48 : 137,264.94 = 56,454.40 : x
  2. Step 2: Convert to fraction form
    99,484.48/137,264.94 = 56,454.40/x
  3. Step 3: Cross multiply
    99,484.48x = 137,264.94 × 56,454.40
  4. Step 4: Simplify right side
    99,484.48x = 7,749,209,828.74
  5. Step 5: Solve for x
    x = 7,749,209,828.74/99,484.48
  6. Step 6: Final answer
    x = 77,893.66

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