Finding the Fourth Proportional to 23,298.25, 32,151.27 and 12,687.88

Step by Step Solution

1. Step 1: Write the proportion equation
   23,298.25 : 32,151.27 = 12,687.88 : x
2. Step 2: Convert to fraction form
   23,298.25/32,151.27 = 12,687.88/x
3. Step 3: Cross multiply
   23,298.25x = 32,151.27 × 12,687.88
4. Step 4: Simplify right side
   23,298.25x = 407,931,455.61
5. Step 5: Solve for x
   x = 407,931,455.61/23,298.25
6. Step 6: Final answer
   x = 17,509.10