Finding the Fourth Proportional to 6,389.86, 8,818.42 and 3,595.54

Step by Step Solution

1. Step 1: Write the proportion equation
   6,389.86 : 8,818.42 = 3,595.54 : x
2. Step 2: Convert to fraction form
   6,389.86/8,818.42 = 3,595.54/x
3. Step 3: Cross multiply
   6,389.86x = 8,818.42 × 3,595.54
4. Step 4: Simplify right side
   6,389.86x = 31,706,981.85
5. Step 5: Solve for x
   x = 31,706,981.85/6,389.86
6. Step 6: Final answer
   x = 4,962.08