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Finding the Fourth Proportional to 74,783.22, 112,141.98 and 28,003.28

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Solution

The fourth proportional to 74,783.22, 112,141.98 and 28,003.28 is: 41,992.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,783.22 : 112,141.98 = 28,003.28 : x
  2. Step 2: Convert to fraction form
    74,783.22/112,141.98 = 28,003.28/x
  3. Step 3: Cross multiply
    74,783.22x = 112,141.98 × 28,003.28
  4. Step 4: Simplify right side
    74,783.22x = 3,140,343,265.69
  5. Step 5: Solve for x
    x = 3,140,343,265.69/74,783.22
  6. Step 6: Final answer
    x = 41,992.62

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