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Finding the Fourth Proportional to 79,472.41, 119,208.31 and 20,307.98

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Solution

The fourth proportional to 79,472.41, 119,208.31 and 20,307.98 is: 30,461.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,472.41 : 119,208.31 = 20,307.98 : x
  2. Step 2: Convert to fraction form
    79,472.41/119,208.31 = 20,307.98/x
  3. Step 3: Cross multiply
    79,472.41x = 119,208.31 × 20,307.98
  4. Step 4: Simplify right side
    79,472.41x = 2,420,880,222.56
  5. Step 5: Solve for x
    x = 2,420,880,222.56/79,472.41
  6. Step 6: Final answer
    x = 30,461.90

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