Finding the Fourth Proportional to 23,113.49, 31,896.50 and 12,503.10

Step by Step Solution

1. Step 1: Write the proportion equation
   23,113.49 : 31,896.50 = 12,503.10 : x
2. Step 2: Convert to fraction form
   23,113.49/31,896.50 = 12,503.10/x
3. Step 3: Cross multiply
   23,113.49x = 31,896.50 × 12,503.10
4. Step 4: Simplify right side
   23,113.49x = 398,805,160.41
5. Step 5: Solve for x
   x = 398,805,160.41/23,113.49
6. Step 6: Final answer
   x = 17,254.21