Finding the Fourth Proportional to 31,073.88, 42,884.38 and 17,649.35

Step by Step Solution

1. Step 1: Write the proportion equation
   31,073.88 : 42,884.38 = 17,649.35 : x
2. Step 2: Convert to fraction form
   31,073.88/42,884.38 = 17,649.35/x
3. Step 3: Cross multiply
   31,073.88x = 42,884.38 × 17,649.35
4. Step 4: Simplify right side
   31,073.88x = 756,881,432.15
5. Step 5: Solve for x
   x = 756,881,432.15/31,073.88
6. Step 6: Final answer
   x = 24,357.48