Finding the Fourth Proportional to 6,514.43, 8,989.85 and 3,530.25

Step by Step Solution

1. Step 1: Write the proportion equation
   6,514.43 : 8,989.85 = 3,530.25 : x
2. Step 2: Convert to fraction form
   6,514.43/8,989.85 = 3,530.25/x
3. Step 3: Cross multiply
   6,514.43x = 8,989.85 × 3,530.25
4. Step 4: Simplify right side
   6,514.43x = 31,736,426.79
5. Step 5: Solve for x
   x = 31,736,426.79/6,514.43
6. Step 6: Final answer
   x = 4,871.72