Finding the Fourth Proportional to 9,045.28, 12,482.12 and 5,268.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,045.28 : 12,482.12 = 5,268.56 : x
2. Step 2: Convert to fraction form
   9,045.28/12,482.12 = 5,268.56/x
3. Step 3: Cross multiply
   9,045.28x = 12,482.12 × 5,268.56
4. Step 4: Simplify right side
   9,045.28x = 65,762,771.80
5. Step 5: Solve for x
   x = 65,762,771.80/9,045.28
6. Step 6: Final answer
   x = 7,270.40