Finding the Fourth Proportional to 6,101.30, 8,419.88 and 3,585.31

Step by Step Solution

1. Step 1: Write the proportion equation
   6,101.30 : 8,419.88 = 3,585.31 : x
2. Step 2: Convert to fraction form
   6,101.30/8,419.88 = 3,585.31/x
3. Step 3: Cross multiply
   6,101.30x = 8,419.88 × 3,585.31
4. Step 4: Simplify right side
   6,101.30x = 30,187,879.96
5. Step 5: Solve for x
   x = 30,187,879.96/6,101.30
6. Step 6: Final answer
   x = 4,947.78