Finding the Fourth Proportional to 9,240.48, 12,748.24 and 5,697.54

Step by Step Solution

1. Step 1: Write the proportion equation
   9,240.48 : 12,748.24 = 5,697.54 : x
2. Step 2: Convert to fraction form
   9,240.48/12,748.24 = 5,697.54/x
3. Step 3: Cross multiply
   9,240.48x = 12,748.24 × 5,697.54
4. Step 4: Simplify right side
   9,240.48x = 72,633,515.10
5. Step 5: Solve for x
   x = 72,633,515.10/9,240.48
6. Step 6: Final answer
   x = 7,860.37