Finding the Fourth Proportional to 6,310.78, 9,470.72 and 3,025.76

Step by Step Solution

1. Step 1: Write the proportion equation
   6,310.78 : 9,470.72 = 3,025.76 : x
2. Step 2: Convert to fraction form
   6,310.78/9,470.72 = 3,025.76/x
3. Step 3: Cross multiply
   6,310.78x = 9,470.72 × 3,025.76
4. Step 4: Simplify right side
   6,310.78x = 28,656,085.96
5. Step 5: Solve for x
   x = 28,656,085.96/6,310.78
6. Step 6: Final answer
   x = 4,540.82