Finding the Fourth Proportional to 31,836.94, 43,934.98 and 17,689.78

Step by Step Solution

1. Step 1: Write the proportion equation
   31,836.94 : 43,934.98 = 17,689.78 : x
2. Step 2: Convert to fraction form
   31,836.94/43,934.98 = 17,689.78/x
3. Step 3: Cross multiply
   31,836.94x = 43,934.98 × 17,689.78
4. Step 4: Simplify right side
   31,836.94x = 777,200,130.50
5. Step 5: Solve for x
   x = 777,200,130.50/31,836.94
6. Step 6: Final answer
   x = 24,411.90