Finding the Fourth Proportional to 2,039.41, 2,814.53 and 1,155.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,039.41 : 2,814.53 = 1,155.22 : x
2. Step 2: Convert to fraction form
   2,039.41/2,814.53 = 1,155.22/x
3. Step 3: Cross multiply
   2,039.41x = 2,814.53 × 1,155.22
4. Step 4: Simplify right side
   2,039.41x = 3,251,395.57
5. Step 5: Solve for x
   x = 3,251,395.57/2,039.41
6. Step 6: Final answer
   x = 1,594.28