Finding the Fourth Proportional to 8,839.86, 12,200.72 and 5,855.82

Step by Step Solution

1. Step 1: Write the proportion equation
   8,839.86 : 12,200.72 = 5,855.82 : x
2. Step 2: Convert to fraction form
   8,839.86/12,200.72 = 5,855.82/x
3. Step 3: Cross multiply
   8,839.86x = 12,200.72 × 5,855.82
4. Step 4: Simplify right side
   8,839.86x = 71,445,220.19
5. Step 5: Solve for x
   x = 71,445,220.19/8,839.86
6. Step 6: Final answer
   x = 8,082.17