Finding the Fourth Proportional to 17,737.55, 24,477.31 and 9,779.78

Step by Step Solution

1. Step 1: Write the proportion equation
   17,737.55 : 24,477.31 = 9,779.78 : x
2. Step 2: Convert to fraction form
   17,737.55/24,477.31 = 9,779.78/x
3. Step 3: Cross multiply
   17,737.55x = 24,477.31 × 9,779.78
4. Step 4: Simplify right side
   17,737.55x = 239,382,743.54
5. Step 5: Solve for x
   x = 239,382,743.54/17,737.55
6. Step 6: Final answer
   x = 13,495.82