Finding the Fourth Proportional to 2,608.02, 3,911.40 and 1,047.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,608.02 : 3,911.40 = 1,047.54 : x
2. Step 2: Convert to fraction form
   2,608.02/3,911.40 = 1,047.54/x
3. Step 3: Cross multiply
   2,608.02x = 3,911.40 × 1,047.54
4. Step 4: Simplify right side
   2,608.02x = 4,097,347.96
5. Step 5: Solve for x
   x = 4,097,347.96/2,608.02
6. Step 6: Final answer
   x = 1,571.06