Finding the Fourth Proportional to 17,712.72, 24,444.24 and 9,755.28

Step by Step Solution

1. Step 1: Write the proportion equation
   17,712.72 : 24,444.24 = 9,755.28 : x
2. Step 2: Convert to fraction form
   17,712.72/24,444.24 = 9,755.28/x
3. Step 3: Cross multiply
   17,712.72x = 24,444.24 × 9,755.28
4. Step 4: Simplify right side
   17,712.72x = 238,460,405.59
5. Step 5: Solve for x
   x = 238,460,405.59/17,712.72
6. Step 6: Final answer
   x = 13,462.66