Finding the Fourth Proportional to 6,426.52, 8,868.66 and 3,942.52

Step by Step Solution

1. Step 1: Write the proportion equation
   6,426.52 : 8,868.66 = 3,942.52 : x
2. Step 2: Convert to fraction form
   6,426.52/8,868.66 = 3,942.52/x
3. Step 3: Cross multiply
   6,426.52x = 8,868.66 × 3,942.52
4. Step 4: Simplify right side
   6,426.52x = 34,964,869.42
5. Step 5: Solve for x
   x = 34,964,869.42/6,426.52
6. Step 6: Final answer
   x = 5,440.72