Finding the Fourth Proportional to 31,433.09, 43,332.90 and 25,003.31

Step by Step Solution

1. Step 1: Write the proportion equation
   31,433.09 : 43,332.90 = 25,003.31 : x
2. Step 2: Convert to fraction form
   31,433.09/43,332.90 = 25,003.31/x
3. Step 3: Cross multiply
   31,433.09x = 43,332.90 × 25,003.31
4. Step 4: Simplify right side
   31,433.09x = 1,083,465,931.90
5. Step 5: Solve for x
   x = 1,083,465,931.90/31,433.09
6. Step 6: Final answer
   x = 34,468.96