Finding the Fourth Proportional to 31,065.12, 42,868.34 and 17,634.61

Step by Step Solution

1. Step 1: Write the proportion equation
   31,065.12 : 42,868.34 = 17,634.61 : x
2. Step 2: Convert to fraction form
   31,065.12/42,868.34 = 17,634.61/x
3. Step 3: Cross multiply
   31,065.12x = 42,868.34 × 17,634.61
4. Step 4: Simplify right side
   31,065.12x = 755,966,488.79
5. Step 5: Solve for x
   x = 755,966,488.79/31,065.12
6. Step 6: Final answer
   x = 24,334.90