Finding the Fourth Proportional to 30,493.98, 42,079.37 and 17,062.74

Step by Step Solution

1. Step 1: Write the proportion equation
   30,493.98 : 42,079.37 = 17,062.74 : x
2. Step 2: Convert to fraction form
   30,493.98/42,079.37 = 17,062.74/x
3. Step 3: Cross multiply
   30,493.98x = 42,079.37 × 17,062.74
4. Step 4: Simplify right side
   30,493.98x = 717,989,264.36
5. Step 5: Solve for x
   x = 717,989,264.36/30,493.98
6. Step 6: Final answer
   x = 23,545.28