Finding the Fourth Proportional to 5,978.98, 8,252.04 and 3,889.18

Step by Step Solution

1. Step 1: Write the proportion equation
   5,978.98 : 8,252.04 = 3,889.18 : x
2. Step 2: Convert to fraction form
   5,978.98/8,252.04 = 3,889.18/x
3. Step 3: Cross multiply
   5,978.98x = 8,252.04 × 3,889.18
4. Step 4: Simplify right side
   5,978.98x = 32,093,668.93
5. Step 5: Solve for x
   x = 32,093,668.93/5,978.98
6. Step 6: Final answer
   x = 5,367.75