Finding the Fourth Proportional to 42,545.43, 63,836.37 and 17,603.61

Step by Step Solution

1. Step 1: Write the proportion equation
   42,545.43 : 63,836.37 = 17,603.61 : x
2. Step 2: Convert to fraction form
   42,545.43/63,836.37 = 17,603.61/x
3. Step 3: Cross multiply
   42,545.43x = 63,836.37 × 17,603.61
4. Step 4: Simplify right side
   42,545.43x = 1,123,750,561.30
5. Step 5: Solve for x
   x = 1,123,750,561.30/42,545.43
6. Step 6: Final answer
   x = 26,412.96