Finding the Fourth Proportional to 2,908.02, 4,004.31 and 2,604.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,908.02 : 4,004.31 = 2,604.60 : x
2. Step 2: Convert to fraction form
   2,908.02/4,004.31 = 2,604.60/x
3. Step 3: Cross multiply
   2,908.02x = 4,004.31 × 2,604.60
4. Step 4: Simplify right side
   2,908.02x = 10,429,625.83
5. Step 5: Solve for x
   x = 10,429,625.83/2,908.02
6. Step 6: Final answer
   x = 3,586.50