Finding the Fourth Proportional to 2,569.04, 3,851.66 and 902.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,569.04 : 3,851.66 = 902.72 : x
2. Step 2: Convert to fraction form
   2,569.04/3,851.66 = 902.72/x
3. Step 3: Cross multiply
   2,569.04x = 3,851.66 × 902.72
4. Step 4: Simplify right side
   2,569.04x = 3,476,970.52
5. Step 5: Solve for x
   x = 3,476,970.52/2,569.04
6. Step 6: Final answer
   x = 1,353.41