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Finding the Fourth Proportional to 34,686.99, 47,867.96 and 18,771.45

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Solution

The fourth proportional to 34,686.99, 47,867.96 and 18,771.45 is: 25,904.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,686.99 : 47,867.96 = 18,771.45 : x
  2. Step 2: Convert to fraction form
    34,686.99/47,867.96 = 18,771.45/x
  3. Step 3: Cross multiply
    34,686.99x = 47,867.96 × 18,771.45
  4. Step 4: Simplify right side
    34,686.99x = 898,551,017.74
  5. Step 5: Solve for x
    x = 898,551,017.74/34,686.99
  6. Step 6: Final answer
    x = 25,904.55

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