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Finding the Fourth Proportional to 47,166.48, 70,748.70 and 13,885.72

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Solution

The fourth proportional to 47,166.48, 70,748.70 and 13,885.72 is: 20,828.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,166.48 : 70,748.70 = 13,885.72 : x
  2. Step 2: Convert to fraction form
    47,166.48/70,748.70 = 13,885.72/x
  3. Step 3: Cross multiply
    47,166.48x = 70,748.70 × 13,885.72
  4. Step 4: Simplify right side
    47,166.48x = 982,396,638.56
  5. Step 5: Solve for x
    x = 982,396,638.56/47,166.48
  6. Step 6: Final answer
    x = 20,828.28

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