Finding the Fourth Proportional to 6,978.20, 10,464.84 and 2,046.56

Step by Step Solution

1. Step 1: Write the proportion equation
   6,978.20 : 10,464.84 = 2,046.56 : x
2. Step 2: Convert to fraction form
   6,978.20/10,464.84 = 2,046.56/x
3. Step 3: Cross multiply
   6,978.20x = 10,464.84 × 2,046.56
4. Step 4: Simplify right side
   6,978.20x = 21,416,922.95
5. Step 5: Solve for x
   x = 21,416,922.95/6,978.20
6. Step 6: Final answer
   x = 3,069.12