Finding the Fourth Proportional to 2,912.02, 4,009.83 and 2,608.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,912.02 : 4,009.83 = 2,608.60 : x
2. Step 2: Convert to fraction form
   2,912.02/4,009.83 = 2,608.60/x
3. Step 3: Cross multiply
   2,912.02x = 4,009.83 × 2,608.60
4. Step 4: Simplify right side
   2,912.02x = 10,460,042.54
5. Step 5: Solve for x
   x = 10,460,042.54/2,912.02
6. Step 6: Final answer
   x = 3,592.02