Finding the Fourth Proportional to 6,288.27, 8,677.42 and 3,493.77

Step by Step Solution

1. Step 1: Write the proportion equation
   6,288.27 : 8,677.42 = 3,493.77 : x
2. Step 2: Convert to fraction form
   6,288.27/8,677.42 = 3,493.77/x
3. Step 3: Cross multiply
   6,288.27x = 8,677.42 × 3,493.77
4. Step 4: Simplify right side
   6,288.27x = 30,316,909.67
5. Step 5: Solve for x
   x = 30,316,909.67/6,288.27
6. Step 6: Final answer
   x = 4,821.18