Finding the Fourth Proportional to 6,143.27, 8,475.30 and 3,781.31

Step by Step Solution

1. Step 1: Write the proportion equation
   6,143.27 : 8,475.30 = 3,781.31 : x
2. Step 2: Convert to fraction form
   6,143.27/8,475.30 = 3,781.31/x
3. Step 3: Cross multiply
   6,143.27x = 8,475.30 × 3,781.31
4. Step 4: Simplify right side
   6,143.27x = 32,047,736.64
5. Step 5: Solve for x
   x = 32,047,736.64/6,143.27
6. Step 6: Final answer
   x = 5,216.72