Finding the Fourth Proportional to 9,877.52, 13,635.06 and 7,355.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,877.52 : 13,635.06 = 7,355.18 : x
2. Step 2: Convert to fraction form
   9,877.52/13,635.06 = 7,355.18/x
3. Step 3: Cross multiply
   9,877.52x = 13,635.06 × 7,355.18
4. Step 4: Simplify right side
   9,877.52x = 100,288,320.61
5. Step 5: Solve for x
   x = 100,288,320.61/9,877.52
6. Step 6: Final answer
   x = 10,153.19