Finding the Fourth Proportional to 5,978.94, 8,251.98 and 3,460.65

Step by Step Solution

1. Step 1: Write the proportion equation
   5,978.94 : 8,251.98 = 3,460.65 : x
2. Step 2: Convert to fraction form
   5,978.94/8,251.98 = 3,460.65/x
3. Step 3: Cross multiply
   5,978.94x = 8,251.98 × 3,460.65
4. Step 4: Simplify right side
   5,978.94x = 28,557,214.59
5. Step 5: Solve for x
   x = 28,557,214.59/5,978.94
6. Step 6: Final answer
   x = 4,776.30