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Finding the Fourth Proportional to 78,293.98, 108,046.47 and 42,484.29

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Solution

The fourth proportional to 78,293.98, 108,046.47 and 42,484.29 is: 58,628.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,293.98 : 108,046.47 = 42,484.29 : x
  2. Step 2: Convert to fraction form
    78,293.98/108,046.47 = 42,484.29/x
  3. Step 3: Cross multiply
    78,293.98x = 108,046.47 × 42,484.29
  4. Step 4: Simplify right side
    78,293.98x = 4,590,277,564.96
  5. Step 5: Solve for x
    x = 4,590,277,564.96/78,293.98
  6. Step 6: Final answer
    x = 58,628.74

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