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Finding the Fourth Proportional to 108,572.16, 162,803.20 and 38,441.60

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Solution

The fourth proportional to 108,572.16, 162,803.20 and 38,441.60 is: 57,642.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,572.16 : 162,803.20 = 38,441.60 : x
  2. Step 2: Convert to fraction form
    108,572.16/162,803.20 = 38,441.60/x
  3. Step 3: Cross multiply
    108,572.16x = 162,803.20 × 38,441.60
  4. Step 4: Simplify right side
    108,572.16x = 6,258,415,493.12
  5. Step 5: Solve for x
    x = 6,258,415,493.12/108,572.16
  6. Step 6: Final answer
    x = 57,642.91

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