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Finding the Fourth Proportional to 392,820.26, 589,136.96 and 108,504.51

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Solution

The fourth proportional to 392,820.26, 589,136.96 and 108,504.51 is: 162,730.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,820.26 : 589,136.96 = 108,504.51 : x
  2. Step 2: Convert to fraction form
    392,820.26/589,136.96 = 108,504.51/x
  3. Step 3: Cross multiply
    392,820.26x = 589,136.96 × 108,504.51
  4. Step 4: Simplify right side
    392,820.26x = 63,924,016,625.17
  5. Step 5: Solve for x
    x = 63,924,016,625.17/392,820.26
  6. Step 6: Final answer
    x = 162,730.96

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