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Finding the Fourth Proportional to 34,694.88, 47,878.94 and 18,779.46

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Solution

The fourth proportional to 34,694.88, 47,878.94 and 18,779.46 is: 25,915.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,694.88 : 47,878.94 = 18,779.46 : x
  2. Step 2: Convert to fraction form
    34,694.88/47,878.94 = 18,779.46/x
  3. Step 3: Cross multiply
    34,694.88x = 47,878.94 × 18,779.46
  4. Step 4: Simplify right side
    34,694.88x = 899,140,638.57
  5. Step 5: Solve for x
    x = 899,140,638.57/34,694.88
  6. Step 6: Final answer
    x = 25,915.66

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