Finding the Fourth Proportional to 3,613.46, 5,423.28 and 2,576.00

Step by Step Solution

1. Step 1: Write the proportion equation
   3,613.46 : 5,423.28 = 2,576.00 : x
2. Step 2: Convert to fraction form
   3,613.46/5,423.28 = 2,576.00/x
3. Step 3: Cross multiply
   3,613.46x = 5,423.28 × 2,576.00
4. Step 4: Simplify right side
   3,613.46x = 13,970,342.16
5. Step 5: Solve for x
   x = 13,970,342.16/3,613.46
6. Step 6: Final answer
   x = 3,866.20