Finding the Fourth Proportional to 2,911.52, 4,362.42 and 1,265.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,911.52 : 4,362.42 = 1,265.60 : x
2. Step 2: Convert to fraction form
   2,911.52/4,362.42 = 1,265.60/x
3. Step 3: Cross multiply
   2,911.52x = 4,362.42 × 1,265.60
4. Step 4: Simplify right side
   2,911.52x = 5,521,078.75
5. Step 5: Solve for x
   x = 5,521,078.75/2,911.52
6. Step 6: Final answer
   x = 1,896.29