Finding the Fourth Proportional to 31,527.62, 43,508.42 and 17,380.98

Step by Step Solution

1. Step 1: Write the proportion equation
   31,527.62 : 43,508.42 = 17,380.98 : x
2. Step 2: Convert to fraction form
   31,527.62/43,508.42 = 17,380.98/x
3. Step 3: Cross multiply
   31,527.62x = 43,508.42 × 17,380.98
4. Step 4: Simplify right side
   31,527.62x = 756,218,977.85
5. Step 5: Solve for x
   x = 756,218,977.85/31,527.62
6. Step 6: Final answer
   x = 23,985.92