Finding the Fourth Proportional to 23,113.38, 31,896.72 and 12,503.19

Step by Step Solution

1. Step 1: Write the proportion equation
   23,113.38 : 31,896.72 = 12,503.19 : x
2. Step 2: Convert to fraction form
   23,113.38/31,896.72 = 12,503.19/x
3. Step 3: Cross multiply
   23,113.38x = 31,896.72 × 12,503.19
4. Step 4: Simplify right side
   23,113.38x = 398,810,750.54
5. Step 5: Solve for x
   x = 398,810,750.54/23,113.38
6. Step 6: Final answer
   x = 17,254.54