Finding the Fourth Proportional to 5,978.10, 8,251.17 and 3,461.69

Step by Step Solution

1. Step 1: Write the proportion equation
   5,978.10 : 8,251.17 = 3,461.69 : x
2. Step 2: Convert to fraction form
   5,978.10/8,251.17 = 3,461.69/x
3. Step 3: Cross multiply
   5,978.10x = 8,251.17 × 3,461.69
4. Step 4: Simplify right side
   5,978.10x = 28,562,992.68
5. Step 5: Solve for x
   x = 28,562,992.68/5,978.10
6. Step 6: Final answer
   x = 4,777.94