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Finding the Fourth Proportional to 78,802.61, 108,747.63 and 50,508.30

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Solution

The fourth proportional to 78,802.61, 108,747.63 and 50,508.30 is: 69,701.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,802.61 : 108,747.63 = 50,508.30 : x
  2. Step 2: Convert to fraction form
    78,802.61/108,747.63 = 50,508.30/x
  3. Step 3: Cross multiply
    78,802.61x = 108,747.63 × 50,508.30
  4. Step 4: Simplify right side
    78,802.61x = 5,492,657,920.33
  5. Step 5: Solve for x
    x = 5,492,657,920.33/78,802.61
  6. Step 6: Final answer
    x = 69,701.47

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