Finding the Fourth Proportional to 6,399.30, 8,830.93 and 3,604.82

Step by Step Solution

1. Step 1: Write the proportion equation
   6,399.30 : 8,830.93 = 3,604.82 : x
2. Step 2: Convert to fraction form
   6,399.30/8,830.93 = 3,604.82/x
3. Step 3: Cross multiply
   6,399.30x = 8,830.93 × 3,604.82
4. Step 4: Simplify right side
   6,399.30x = 31,833,913.08
5. Step 5: Solve for x
   x = 31,833,913.08/6,399.30
6. Step 6: Final answer
   x = 4,974.59