Finding the Fourth Proportional to 2,039.54, 2,814.70 and 1,155.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,039.54 : 2,814.70 = 1,155.34 : x
2. Step 2: Convert to fraction form
   2,039.54/2,814.70 = 1,155.34/x
3. Step 3: Cross multiply
   2,039.54x = 2,814.70 × 1,155.34
4. Step 4: Simplify right side
   2,039.54x = 3,251,925.57
5. Step 5: Solve for x
   x = 3,251,925.57/2,039.54
6. Step 6: Final answer
   x = 1,594.44