Finding the Fourth Proportional to 9,499.62, 14,241.60 and 7,155.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,499.62 : 14,241.60 = 7,155.12 : x
2. Step 2: Convert to fraction form
   9,499.62/14,241.60 = 7,155.12/x
3. Step 3: Cross multiply
   9,499.62x = 14,241.60 × 7,155.12
4. Step 4: Simplify right side
   9,499.62x = 101,900,356.99
5. Step 5: Solve for x
   x = 101,900,356.99/9,499.62
6. Step 6: Final answer
   x = 10,726.78