Finding the Fourth Proportional to 6,293.72, 8,685.38 and 3,461.40

Step by Step Solution

1. Step 1: Write the proportion equation
   6,293.72 : 8,685.38 = 3,461.40 : x
2. Step 2: Convert to fraction form
   6,293.72/8,685.38 = 3,461.40/x
3. Step 3: Cross multiply
   6,293.72x = 8,685.38 × 3,461.40
4. Step 4: Simplify right side
   6,293.72x = 30,063,574.33
5. Step 5: Solve for x
   x = 30,063,574.33/6,293.72
6. Step 6: Final answer
   x = 4,776.76