Finding the Fourth Proportional to 1,919.52, 2,648.94 and 1,133.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,919.52 : 2,648.94 = 1,133.55 : x
2. Step 2: Convert to fraction form
   1,919.52/2,648.94 = 1,133.55/x
3. Step 3: Cross multiply
   1,919.52x = 2,648.94 × 1,133.55
4. Step 4: Simplify right side
   1,919.52x = 3,002,705.94
5. Step 5: Solve for x
   x = 3,002,705.94/1,919.52
6. Step 6: Final answer
   x = 1,564.30