Finding the Fourth Proportional to 31,510.47, 43,483.98 and 18,081.43

Step by Step Solution

1. Step 1: Write the proportion equation
   31,510.47 : 43,483.98 = 18,081.43 : x
2. Step 2: Convert to fraction form
   31,510.47/43,483.98 = 18,081.43/x
3. Step 3: Cross multiply
   31,510.47x = 43,483.98 × 18,081.43
4. Step 4: Simplify right side
   31,510.47x = 786,252,540.49
5. Step 5: Solve for x
   x = 786,252,540.49/31,510.47
6. Step 6: Final answer
   x = 24,952.10