Finding the Fourth Proportional to 21,572.56, 29,760.51 and 17,610.04

Step by Step Solution

1. Step 1: Write the proportion equation
   21,572.56 : 29,760.51 = 17,610.04 : x
2. Step 2: Convert to fraction form
   21,572.56/29,760.51 = 17,610.04/x
3. Step 3: Cross multiply
   21,572.56x = 29,760.51 × 17,610.04
4. Step 4: Simplify right side
   21,572.56x = 524,083,771.52
5. Step 5: Solve for x
   x = 524,083,771.52/21,572.56
6. Step 6: Final answer
   x = 24,294.00