Finding the Fourth Proportional to 2,093.78, 2,889.45 and 1,149.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,093.78 : 2,889.45 = 1,149.61 : x
2. Step 2: Convert to fraction form
   2,093.78/2,889.45 = 1,149.61/x
3. Step 3: Cross multiply
   2,093.78x = 2,889.45 × 1,149.61
4. Step 4: Simplify right side
   2,093.78x = 3,321,724.01
5. Step 5: Solve for x
   x = 3,321,724.01/2,093.78
6. Step 6: Final answer
   x = 1,586.48