Finding the Fourth Proportional to 6,863.72, 10,287.62 and 3,158.17

Step by Step Solution

1. Step 1: Write the proportion equation
   6,863.72 : 10,287.62 = 3,158.17 : x
2. Step 2: Convert to fraction form
   6,863.72/10,287.62 = 3,158.17/x
3. Step 3: Cross multiply
   6,863.72x = 10,287.62 × 3,158.17
4. Step 4: Simplify right side
   6,863.72x = 32,490,023.19
5. Step 5: Solve for x
   x = 32,490,023.19/6,863.72
6. Step 6: Final answer
   x = 4,733.59