Finding the Fourth Proportional to 23,541.50, 32,487.27 and 12,931.31

Step by Step Solution

1. Step 1: Write the proportion equation
   23,541.50 : 32,487.27 = 12,931.31 : x
2. Step 2: Convert to fraction form
   23,541.50/32,487.27 = 12,931.31/x
3. Step 3: Cross multiply
   23,541.50x = 32,487.27 × 12,931.31
4. Step 4: Simplify right side
   23,541.50x = 420,102,959.42
5. Step 5: Solve for x
   x = 420,102,959.42/23,541.50
6. Step 6: Final answer
   x = 17,845.21