Finding the Fourth Proportional to 31,527.98, 43,508.61 and 18,100.10

Step by Step Solution

1. Step 1: Write the proportion equation
   31,527.98 : 43,508.61 = 18,100.10 : x
2. Step 2: Convert to fraction form
   31,527.98/43,508.61 = 18,100.10/x
3. Step 3: Cross multiply
   31,527.98x = 43,508.61 × 18,100.10
4. Step 4: Simplify right side
   31,527.98x = 787,510,146.61
5. Step 5: Solve for x
   x = 787,510,146.61/31,527.98
6. Step 6: Final answer
   x = 24,978.14