Finding the Fourth Proportional to 6,597.18, 9,150.72 and 6,360.78

Step by Step Solution

1. Step 1: Write the proportion equation
   6,597.18 : 9,150.72 = 6,360.78 : x
2. Step 2: Convert to fraction form
   6,597.18/9,150.72 = 6,360.78/x
3. Step 3: Cross multiply
   6,597.18x = 9,150.72 × 6,360.78
4. Step 4: Simplify right side
   6,597.18x = 58,205,716.76
5. Step 5: Solve for x
   x = 58,205,716.76/6,597.18
6. Step 6: Final answer
   x = 8,822.82