Finding the Fourth Proportional to 6,978.65, 10,459.46 and 3,275.94

Step by Step Solution

1. Step 1: Write the proportion equation
   6,978.65 : 10,459.46 = 3,275.94 : x
2. Step 2: Convert to fraction form
   6,978.65/10,459.46 = 3,275.94/x
3. Step 3: Cross multiply
   6,978.65x = 10,459.46 × 3,275.94
4. Step 4: Simplify right side
   6,978.65x = 34,264,494.72
5. Step 5: Solve for x
   x = 34,264,494.72/6,978.65
6. Step 6: Final answer
   x = 4,909.90