Finding the Fourth Proportional to 6,978.78, 10,470.60 and 3,283.83

Step by Step Solution

1. Step 1: Write the proportion equation
   6,978.78 : 10,470.60 = 3,283.83 : x
2. Step 2: Convert to fraction form
   6,978.78/10,470.60 = 3,283.83/x
3. Step 3: Cross multiply
   6,978.78x = 10,470.60 × 3,283.83
4. Step 4: Simplify right side
   6,978.78x = 34,383,670.40
5. Step 5: Solve for x
   x = 34,383,670.40/6,978.78
6. Step 6: Final answer
   x = 4,926.89