Finding the Fourth Proportional to 23,580.88, 32,542.43 and 13,511.25

Step by Step Solution

1. Step 1: Write the proportion equation
   23,580.88 : 32,542.43 = 13,511.25 : x
2. Step 2: Convert to fraction form
   23,580.88/32,542.43 = 13,511.25/x
3. Step 3: Cross multiply
   23,580.88x = 32,542.43 × 13,511.25
4. Step 4: Simplify right side
   23,580.88x = 439,688,839.78
5. Step 5: Solve for x
   x = 439,688,839.78/23,580.88
6. Step 6: Final answer
   x = 18,645.99