Finding the Fourth Proportional to 1,944.83, 2,916.27 and 1,155

Step by Step Solution

1. Step 1: Write the proportion equation
   1,944.83 : 2,916.27 = 1,155 : x
2. Step 2: Convert to fraction form
   1,944.83/2,916.27 = 1,155/x
3. Step 3: Cross multiply
   1,944.83x = 2,916.27 × 1,155
4. Step 4: Simplify right side
   1,944.83x = 3,368,291.85
5. Step 5: Solve for x
   x = 3,368,291.85/1,944.83
6. Step 6: Final answer
   x = 1,731.92