Finding the Fourth Proportional to 5,978.76, 8,250.81 and 3,460.92

Step by Step Solution

1. Step 1: Write the proportion equation
   5,978.76 : 8,250.81 = 3,460.92 : x
2. Step 2: Convert to fraction form
   5,978.76/8,250.81 = 3,460.92/x
3. Step 3: Cross multiply
   5,978.76x = 8,250.81 × 3,460.92
4. Step 4: Simplify right side
   5,978.76x = 28,555,393.35
5. Step 5: Solve for x
   x = 28,555,393.35/5,978.76
6. Step 6: Final answer
   x = 4,776.14