Finding the Fourth Proportional to 6,200.15, 8,562.36 and 4,077.05

Step by Step Solution

1. Step 1: Write the proportion equation
   6,200.15 : 8,562.36 = 4,077.05 : x
2. Step 2: Convert to fraction form
   6,200.15/8,562.36 = 4,077.05/x
3. Step 3: Cross multiply
   6,200.15x = 8,562.36 × 4,077.05
4. Step 4: Simplify right side
   6,200.15x = 34,909,144.32
5. Step 5: Solve for x
   x = 34,909,144.32/6,200.15
6. Step 6: Final answer
   x = 5,630.38