Finding the Fourth Proportional to 21,654.72, 29,882.67 and 13,592.71

Step by Step Solution

1. Step 1: Write the proportion equation
   21,654.72 : 29,882.67 = 13,592.71 : x
2. Step 2: Convert to fraction form
   21,654.72/29,882.67 = 13,592.71/x
3. Step 3: Cross multiply
   21,654.72x = 29,882.67 × 13,592.71
4. Step 4: Simplify right side
   21,654.72x = 406,186,404.11
5. Step 5: Solve for x
   x = 406,186,404.11/21,654.72
6. Step 6: Final answer
   x = 18,757.41