Finding the Fourth Proportional to 23,468.10, 32,385.98 and 12,857.76

Step by Step Solution

1. Step 1: Write the proportion equation
   23,468.10 : 32,385.98 = 12,857.76 : x
2. Step 2: Convert to fraction form
   23,468.10/32,385.98 = 12,857.76/x
3. Step 3: Cross multiply
   23,468.10x = 32,385.98 × 12,857.76
4. Step 4: Simplify right side
   23,468.10x = 416,411,158.20
5. Step 5: Solve for x
   x = 416,411,158.20/23,468.10
6. Step 6: Final answer
   x = 17,743.71