Finding the Fourth Proportional to 7,081.12, 9,773.35 and 5,399.52

Step by Step Solution

1. Step 1: Write the proportion equation
   7,081.12 : 9,773.35 = 5,399.52 : x
2. Step 2: Convert to fraction form
   7,081.12/9,773.35 = 5,399.52/x
3. Step 3: Cross multiply
   7,081.12x = 9,773.35 × 5,399.52
4. Step 4: Simplify right side
   7,081.12x = 52,771,379.02
5. Step 5: Solve for x
   x = 52,771,379.02/7,081.12
6. Step 6: Final answer
   x = 7,452.41