Finding the Fourth Proportional to 23,110.73, 31,892.76 and 12,500.40

Step by Step Solution

1. Step 1: Write the proportion equation
   23,110.73 : 31,892.76 = 12,500.40 : x
2. Step 2: Convert to fraction form
   23,110.73/31,892.76 = 12,500.40/x
3. Step 3: Cross multiply
   23,110.73x = 31,892.76 × 12,500.40
4. Step 4: Simplify right side
   23,110.73x = 398,672,257.10
5. Step 5: Solve for x
   x = 398,672,257.10/23,110.73
6. Step 6: Final answer
   x = 17,250.53