Finding the Fourth Proportional to 17,737.72, 24,478.22 and 9,780.23

Step by Step Solution

1. Step 1: Write the proportion equation
   17,737.72 : 24,478.22 = 9,780.23 : x
2. Step 2: Convert to fraction form
   17,737.72/24,478.22 = 9,780.23/x
3. Step 3: Cross multiply
   17,737.72x = 24,478.22 × 9,780.23
4. Step 4: Simplify right side
   17,737.72x = 239,402,621.59
5. Step 5: Solve for x
   x = 239,402,621.59/17,737.72
6. Step 6: Final answer
   x = 13,496.81