Finding the Fourth Proportional to 23,110.87, 31,892.83 and 12,500.47

Step by Step Solution

1. Step 1: Write the proportion equation
   23,110.87 : 31,892.83 = 12,500.47 : x
2. Step 2: Convert to fraction form
   23,110.87/31,892.83 = 12,500.47/x
3. Step 3: Cross multiply
   23,110.87x = 31,892.83 × 12,500.47
4. Step 4: Simplify right side
   23,110.87x = 398,675,364.63
5. Step 5: Solve for x
   x = 398,675,364.63/23,110.87
6. Step 6: Final answer
   x = 17,250.56