Finding the Fourth Proportional to 9,040.15, 12,475.04 and 5,263.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,040.15 : 12,475.04 = 5,263.42 : x
2. Step 2: Convert to fraction form
   9,040.15/12,475.04 = 5,263.42/x
3. Step 3: Cross multiply
   9,040.15x = 12,475.04 × 5,263.42
4. Step 4: Simplify right side
   9,040.15x = 65,661,375.04
5. Step 5: Solve for x
   x = 65,661,375.04/9,040.15
6. Step 6: Final answer
   x = 7,263.31