Finding the Fourth Proportional to 6,498.54, 8,967.39 and 3,979.50

Step by Step Solution

1. Step 1: Write the proportion equation
   6,498.54 : 8,967.39 = 3,979.50 : x
2. Step 2: Convert to fraction form
   6,498.54/8,967.39 = 3,979.50/x
3. Step 3: Cross multiply
   6,498.54x = 8,967.39 × 3,979.50
4. Step 4: Simplify right side
   6,498.54x = 35,685,728.51
5. Step 5: Solve for x
   x = 35,685,728.51/6,498.54
6. Step 6: Final answer
   x = 5,491.35