Finding the Fourth Proportional to 1,920.53, 2,650.37 and 1,134.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,920.53 : 2,650.37 = 1,134.58 : x
2. Step 2: Convert to fraction form
   1,920.53/2,650.37 = 1,134.58/x
3. Step 3: Cross multiply
   1,920.53x = 2,650.37 × 1,134.58
4. Step 4: Simplify right side
   1,920.53x = 3,007,055.85
5. Step 5: Solve for x
   x = 3,007,055.85/1,920.53
6. Step 6: Final answer
   x = 1,565.74