Finding the Fourth Proportional to 17,737.31, 24,477.59 and 9,779.40

Step by Step Solution

1. Step 1: Write the proportion equation
   17,737.31 : 24,477.59 = 9,779.40 : x
2. Step 2: Convert to fraction form
   17,737.31/24,477.59 = 9,779.40/x
3. Step 3: Cross multiply
   17,737.31x = 24,477.59 × 9,779.40
4. Step 4: Simplify right side
   17,737.31x = 239,376,168.09
5. Step 5: Solve for x
   x = 239,376,168.09/17,737.31
6. Step 6: Final answer
   x = 13,495.63