Finding the Fourth Proportional to 7,540.56, 11,320.60 and 5,810.32

Step by Step Solution

1. Step 1: Write the proportion equation
   7,540.56 : 11,320.60 = 5,810.32 : x
2. Step 2: Convert to fraction form
   7,540.56/11,320.60 = 5,810.32/x
3. Step 3: Cross multiply
   7,540.56x = 11,320.60 × 5,810.32
4. Step 4: Simplify right side
   7,540.56x = 65,776,308.59
5. Step 5: Solve for x
   x = 65,776,308.59/7,540.56
6. Step 6: Final answer
   x = 8,723.00