Finding the Fourth Proportional to 6,694.30, 9,239.42 and 3,863.50

Step by Step Solution

1. Step 1: Write the proportion equation
   6,694.30 : 9,239.42 = 3,863.50 : x
2. Step 2: Convert to fraction form
   6,694.30/9,239.42 = 3,863.50/x
3. Step 3: Cross multiply
   6,694.30x = 9,239.42 × 3,863.50
4. Step 4: Simplify right side
   6,694.30x = 35,696,499.17
5. Step 5: Solve for x
   x = 35,696,499.17/6,694.30
6. Step 6: Final answer
   x = 5,332.37