Finding the Fourth Proportional to 8,009.55, 12,003.40 and 5,082.61

Step by Step Solution

1. Step 1: Write the proportion equation
   8,009.55 : 12,003.40 = 5,082.61 : x
2. Step 2: Convert to fraction form
   8,009.55/12,003.40 = 5,082.61/x
3. Step 3: Cross multiply
   8,009.55x = 12,003.40 × 5,082.61
4. Step 4: Simplify right side
   8,009.55x = 61,008,600.87
5. Step 5: Solve for x
   x = 61,008,600.87/8,009.55
6. Step 6: Final answer
   x = 7,616.98