Finding the Fourth Proportional to 6,142.81, 8,477.18 and 3,348.31

Step by Step Solution

1. Step 1: Write the proportion equation
   6,142.81 : 8,477.18 = 3,348.31 : x
2. Step 2: Convert to fraction form
   6,142.81/8,477.18 = 3,348.31/x
3. Step 3: Cross multiply
   6,142.81x = 8,477.18 × 3,348.31
4. Step 4: Simplify right side
   6,142.81x = 28,384,226.57
5. Step 5: Solve for x
   x = 28,384,226.57/6,142.81
6. Step 6: Final answer
   x = 4,620.72