Finding the Fourth Proportional to 6,272.28, 8,655.69 and 3,477.78

Step by Step Solution

1. Step 1: Write the proportion equation
   6,272.28 : 8,655.69 = 3,477.78 : x
2. Step 2: Convert to fraction form
   6,272.28/8,655.69 = 3,477.78/x
3. Step 3: Cross multiply
   6,272.28x = 8,655.69 × 3,477.78
4. Step 4: Simplify right side
   6,272.28x = 30,102,585.57
5. Step 5: Solve for x
   x = 30,102,585.57/6,272.28
6. Step 6: Final answer
   x = 4,799.31