Finding the Fourth Proportional to 6,390.45, 8,818.61 and 3,595.41

Step by Step Solution

1. Step 1: Write the proportion equation
   6,390.45 : 8,818.61 = 3,595.41 : x
2. Step 2: Convert to fraction form
   6,390.45/8,818.61 = 3,595.41/x
3. Step 3: Cross multiply
   6,390.45x = 8,818.61 × 3,595.41
4. Step 4: Simplify right side
   6,390.45x = 31,706,500.60
5. Step 5: Solve for x
   x = 31,706,500.60/6,390.45
6. Step 6: Final answer
   x = 4,961.54