Finding the Fourth Proportional to 6,978.90, 10,459.83 and 3,276.19

Step by Step Solution

1. Step 1: Write the proportion equation
   6,978.90 : 10,459.83 = 3,276.19 : x
2. Step 2: Convert to fraction form
   6,978.90/10,459.83 = 3,276.19/x
3. Step 3: Cross multiply
   6,978.90x = 10,459.83 × 3,276.19
4. Step 4: Simplify right side
   6,978.90x = 34,268,338.15
5. Step 5: Solve for x
   x = 34,268,338.15/6,978.90
6. Step 6: Final answer
   x = 4,910.28