Finding the Fourth Proportional to 6,514.63, 8,990.17 and 3,530.48

Step by Step Solution

1. Step 1: Write the proportion equation
   6,514.63 : 8,990.17 = 3,530.48 : x
2. Step 2: Convert to fraction form
   6,514.63/8,990.17 = 3,530.48/x
3. Step 3: Cross multiply
   6,514.63x = 8,990.17 × 3,530.48
4. Step 4: Simplify right side
   6,514.63x = 31,739,561.60
5. Step 5: Solve for x
   x = 31,739,561.60/6,514.63
6. Step 6: Final answer
   x = 4,872.05