Finding the Fourth Proportional to 23,541.68, 32,487.71 and 12,931.55

Step by Step Solution

1. Step 1: Write the proportion equation
   23,541.68 : 32,487.71 = 12,931.55 : x
2. Step 2: Convert to fraction form
   23,541.68/32,487.71 = 12,931.55/x
3. Step 3: Cross multiply
   23,541.68x = 32,487.71 × 12,931.55
4. Step 4: Simplify right side
   23,541.68x = 420,116,219.15
5. Step 5: Solve for x
   x = 420,116,219.15/23,541.68
6. Step 6: Final answer
   x = 17,845.64