Finding the Fourth Proportional to 6,124.42, 8,451.77 and 3,607.55

Step by Step Solution

1. Step 1: Write the proportion equation
   6,124.42 : 8,451.77 = 3,607.55 : x
2. Step 2: Convert to fraction form
   6,124.42/8,451.77 = 3,607.55/x
3. Step 3: Cross multiply
   6,124.42x = 8,451.77 × 3,607.55
4. Step 4: Simplify right side
   6,124.42x = 30,490,182.86
5. Step 5: Solve for x
   x = 30,490,182.86/6,124.42
6. Step 6: Final answer
   x = 4,978.46