Finding the Fourth Proportional to 23,112.96, 31,895.91 and 12,502.55

Step by Step Solution

1. Step 1: Write the proportion equation
   23,112.96 : 31,895.91 = 12,502.55 : x
2. Step 2: Convert to fraction form
   23,112.96/31,895.91 = 12,502.55/x
3. Step 3: Cross multiply
   23,112.96x = 31,895.91 × 12,502.55
4. Step 4: Simplify right side
   23,112.96x = 398,780,050.09
5. Step 5: Solve for x
   x = 398,780,050.09/23,112.96
6. Step 6: Final answer
   x = 17,253.53