Finding the Fourth Proportional to 17,737.86, 24,478.11 and 9,780.42

Step by Step Solution

1. Step 1: Write the proportion equation
   17,737.86 : 24,478.11 = 9,780.42 : x
2. Step 2: Convert to fraction form
   17,737.86/24,478.11 = 9,780.42/x
3. Step 3: Cross multiply
   17,737.86x = 24,478.11 × 9,780.42
4. Step 4: Simplify right side
   17,737.86x = 239,406,196.61
5. Step 5: Solve for x
   x = 239,406,196.61/17,737.86
6. Step 6: Final answer
   x = 13,496.90