Finding the Fourth Proportional to 9,755.52, 14,622.72 and 3,909.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,755.52 : 14,622.72 = 3,909.12 : x
2. Step 2: Convert to fraction form
   9,755.52/14,622.72 = 3,909.12/x
3. Step 3: Cross multiply
   9,755.52x = 14,622.72 × 3,909.12
4. Step 4: Simplify right side
   9,755.52x = 57,161,967.21
5. Step 5: Solve for x
   x = 57,161,967.21/9,755.52
6. Step 6: Final answer
   x = 5,859.45