Finding the Fourth Proportional to 6,414.89, 8,852.61 and 3,620.39

Step by Step Solution

1. Step 1: Write the proportion equation
   6,414.89 : 8,852.61 = 3,620.39 : x
2. Step 2: Convert to fraction form
   6,414.89/8,852.61 = 3,620.39/x
3. Step 3: Cross multiply
   6,414.89x = 8,852.61 × 3,620.39
4. Step 4: Simplify right side
   6,414.89x = 32,049,900.72
5. Step 5: Solve for x
   x = 32,049,900.72/6,414.89
6. Step 6: Final answer
   x = 4,996.17