Finding the Fourth Proportional to 2,613.08, 3,582.68 and 2,566.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,613.08 : 3,582.68 = 2,566.31 : x
2. Step 2: Convert to fraction form
   2,613.08/3,582.68 = 2,566.31/x
3. Step 3: Cross multiply
   2,613.08x = 3,582.68 × 2,566.31
4. Step 4: Simplify right side
   2,613.08x = 9,194,236.77
5. Step 5: Solve for x
   x = 9,194,236.77/2,613.08
6. Step 6: Final answer
   x = 3,518.54