Finding the Fourth Proportional to 9,081.32, 12,536.06 and 5,545.80

Step by Step Solution

1. Step 1: Write the proportion equation
   9,081.32 : 12,536.06 = 5,545.80 : x
2. Step 2: Convert to fraction form
   9,081.32/12,536.06 = 5,545.80/x
3. Step 3: Cross multiply
   9,081.32x = 12,536.06 × 5,545.80
4. Step 4: Simplify right side
   9,081.32x = 69,522,481.55
5. Step 5: Solve for x
   x = 69,522,481.55/9,081.32
6. Step 6: Final answer
   x = 7,655.55