Finding the Fourth Proportional to 30,545.16, 42,151.96 and 17,116.37

Step by Step Solution

1. Step 1: Write the proportion equation
   30,545.16 : 42,151.96 = 17,116.37 : x
2. Step 2: Convert to fraction form
   30,545.16/42,151.96 = 17,116.37/x
3. Step 3: Cross multiply
   30,545.16x = 42,151.96 × 17,116.37
4. Step 4: Simplify right side
   30,545.16x = 721,488,543.59
5. Step 5: Solve for x
   x = 721,488,543.59/30,545.16
6. Step 6: Final answer
   x = 23,620.39