Finding the Fourth Proportional to 9,240.50, 12,751.90 and 5,514.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,240.50 : 12,751.90 = 5,514.50 : x
2. Step 2: Convert to fraction form
   9,240.50/12,751.90 = 5,514.50/x
3. Step 3: Cross multiply
   9,240.50x = 12,751.90 × 5,514.50
4. Step 4: Simplify right side
   9,240.50x = 70,320,352.55
5. Step 5: Solve for x
   x = 70,320,352.55/9,240.50
6. Step 6: Final answer
   x = 7,610.02