Finding the Fourth Proportional to 16,715.60, 25,024.20 and 12,352.52

Step by Step Solution

1. Step 1: Write the proportion equation
   16,715.60 : 25,024.20 = 12,352.52 : x
2. Step 2: Convert to fraction form
   16,715.60/25,024.20 = 12,352.52/x
3. Step 3: Cross multiply
   16,715.60x = 25,024.20 × 12,352.52
4. Step 4: Simplify right side
   16,715.60x = 309,111,930.98
5. Step 5: Solve for x
   x = 309,111,930.98/16,715.60
6. Step 6: Final answer
   x = 18,492.42