Finding the Fourth Proportional to 6,287.28, 8,675.52 and 3,492.78

Step by Step Solution

1. Step 1: Write the proportion equation
   6,287.28 : 8,675.52 = 3,492.78 : x
2. Step 2: Convert to fraction form
   6,287.28/8,675.52 = 3,492.78/x
3. Step 3: Cross multiply
   6,287.28x = 8,675.52 × 3,492.78
4. Step 4: Simplify right side
   6,287.28x = 30,301,682.75
5. Step 5: Solve for x
   x = 30,301,682.75/6,287.28
6. Step 6: Final answer
   x = 4,819.52