Finding the Fourth Proportional to 3,354.89, 4,613.31 and 2,912.01

Step by Step Solution

1. Step 1: Write the proportion equation
   3,354.89 : 4,613.31 = 2,912.01 : x
2. Step 2: Convert to fraction form
   3,354.89/4,613.31 = 2,912.01/x
3. Step 3: Cross multiply
   3,354.89x = 4,613.31 × 2,912.01
4. Step 4: Simplify right side
   3,354.89x = 13,434,004.85
5. Step 5: Solve for x
   x = 13,434,004.85/3,354.89
6. Step 6: Final answer
   x = 4,004.31