Finding the Fourth Proportional to 9,241.84, 12,753.60 and 5,515.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,241.84 : 12,753.60 = 5,515.12 : x
2. Step 2: Convert to fraction form
   9,241.84/12,753.60 = 5,515.12/x
3. Step 3: Cross multiply
   9,241.84x = 12,753.60 × 5,515.12
4. Step 4: Simplify right side
   9,241.84x = 70,337,634.43
5. Step 5: Solve for x
   x = 70,337,634.43/9,241.84
6. Step 6: Final answer
   x = 7,610.78