Finding the Fourth Proportional to 23,112.42, 31,895.40 and 12,502.26

Step by Step Solution

1. Step 1: Write the proportion equation
   23,112.42 : 31,895.40 = 12,502.26 : x
2. Step 2: Convert to fraction form
   23,112.42/31,895.40 = 12,502.26/x
3. Step 3: Cross multiply
   23,112.42x = 31,895.40 × 12,502.26
4. Step 4: Simplify right side
   23,112.42x = 398,764,583.60
5. Step 5: Solve for x
   x = 398,764,583.60/23,112.42
6. Step 6: Final answer
   x = 17,253.26