Finding the Fourth Proportional to 6,327.15, 8,731.42 and 3,494.70

Step by Step Solution

1. Step 1: Write the proportion equation
   6,327.15 : 8,731.42 = 3,494.70 : x
2. Step 2: Convert to fraction form
   6,327.15/8,731.42 = 3,494.70/x
3. Step 3: Cross multiply
   6,327.15x = 8,731.42 × 3,494.70
4. Step 4: Simplify right side
   6,327.15x = 30,513,719.12
5. Step 5: Solve for x
   x = 30,513,719.12/6,327.15
6. Step 6: Final answer
   x = 4,822.67