Finding the Fourth Proportional to 2,038.91, 2,814.20 and 1,155.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,038.91 : 2,814.20 = 1,155.23 : x
2. Step 2: Convert to fraction form
   2,038.91/2,814.20 = 1,155.23/x
3. Step 3: Cross multiply
   2,038.91x = 2,814.20 × 1,155.23
4. Step 4: Simplify right side
   2,038.91x = 3,251,048.27
5. Step 5: Solve for x
   x = 3,251,048.27/2,038.91
6. Step 6: Final answer
   x = 1,594.50