Finding the Fourth Proportional to 6,778.80, 10,143.50 and 5,597.82

Step by Step Solution

1. Step 1: Write the proportion equation
   6,778.80 : 10,143.50 = 5,597.82 : x
2. Step 2: Convert to fraction form
   6,778.80/10,143.50 = 5,597.82/x
3. Step 3: Cross multiply
   6,778.80x = 10,143.50 × 5,597.82
4. Step 4: Simplify right side
   6,778.80x = 56,781,459.18
5. Step 5: Solve for x
   x = 56,781,459.18/6,778.80
6. Step 6: Final answer
   x = 8,376.33