Finding the Fourth Proportional to 6,264.78, 8,645.40 and 3,470.28

Step by Step Solution

1. Step 1: Write the proportion equation
   6,264.78 : 8,645.40 = 3,470.28 : x
2. Step 2: Convert to fraction form
   6,264.78/8,645.40 = 3,470.28/x
3. Step 3: Cross multiply
   6,264.78x = 8,645.40 × 3,470.28
4. Step 4: Simplify right side
   6,264.78x = 30,001,958.71
5. Step 5: Solve for x
   x = 30,001,958.71/6,264.78
6. Step 6: Final answer
   x = 4,788.99