Finding the Fourth Proportional to 31,472.86, 43,436.24 and 17,677.45

Step by Step Solution

1. Step 1: Write the proportion equation
   31,472.86 : 43,436.24 = 17,677.45 : x
2. Step 2: Convert to fraction form
   31,472.86/43,436.24 = 17,677.45/x
3. Step 3: Cross multiply
   31,472.86x = 43,436.24 × 17,677.45
4. Step 4: Simplify right side
   31,472.86x = 767,841,960.79
5. Step 5: Solve for x
   x = 767,841,960.79/31,472.86
6. Step 6: Final answer
   x = 24,396.96