Finding the Fourth Proportional to 17,737.82, 24,478.16 and 9,780.18

Step by Step Solution

1. Step 1: Write the proportion equation
   17,737.82 : 24,478.16 = 9,780.18 : x
2. Step 2: Convert to fraction form
   17,737.82/24,478.16 = 9,780.18/x
3. Step 3: Cross multiply
   17,737.82x = 24,478.16 × 9,780.18
4. Step 4: Simplify right side
   17,737.82x = 239,400,810.87
5. Step 5: Solve for x
   x = 239,400,810.87/17,737.82
6. Step 6: Final answer
   x = 13,496.63