Finding the Fourth Proportional to 16,545.42, 24,804.17 and 7,178.39

Step by Step Solution

1. Step 1: Write the proportion equation
   16,545.42 : 24,804.17 = 7,178.39 : x
2. Step 2: Convert to fraction form
   16,545.42/24,804.17 = 7,178.39/x
3. Step 3: Cross multiply
   16,545.42x = 24,804.17 × 7,178.39
4. Step 4: Simplify right side
   16,545.42x = 178,053,965.91
5. Step 5: Solve for x
   x = 178,053,965.91/16,545.42
6. Step 6: Final answer
   x = 10,761.53