Finding the Fourth Proportional to 1,366.05, 1,883.24 and 1,155.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,366.05 : 1,883.24 = 1,155.38 : x
2. Step 2: Convert to fraction form
   1,366.05/1,883.24 = 1,155.38/x
3. Step 3: Cross multiply
   1,366.05x = 1,883.24 × 1,155.38
4. Step 4: Simplify right side
   1,366.05x = 2,175,857.83
5. Step 5: Solve for x
   x = 2,175,857.83/1,366.05
6. Step 6: Final answer
   x = 1,592.81