Finding the Fourth Proportional to 2,073.87, 3,111.95 and 1,149.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,073.87 : 3,111.95 = 1,149.31 : x
2. Step 2: Convert to fraction form
   2,073.87/3,111.95 = 1,149.31/x
3. Step 3: Cross multiply
   2,073.87x = 3,111.95 × 1,149.31
4. Step 4: Simplify right side
   2,073.87x = 3,576,590.35
5. Step 5: Solve for x
   x = 3,576,590.35/2,073.87
6. Step 6: Final answer
   x = 1,724.60