Finding the Fourth Proportional to 30,959.33, 42,723 and 17,531.85

Step by Step Solution

1. Step 1: Write the proportion equation
   30,959.33 : 42,723 = 17,531.85 : x
2. Step 2: Convert to fraction form
   30,959.33/42,723 = 17,531.85/x
3. Step 3: Cross multiply
   30,959.33x = 42,723 × 17,531.85
4. Step 4: Simplify right side
   30,959.33x = 749,013,227.55
5. Step 5: Solve for x
   x = 749,013,227.55/30,959.33
6. Step 6: Final answer
   x = 24,193.46