Finding the Fourth Proportional to 1,055.05, 1,581.67 and 745.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,055.05 : 1,581.67 = 745.93 : x
2. Step 2: Convert to fraction form
   1,055.05/1,581.67 = 745.93/x
3. Step 3: Cross multiply
   1,055.05x = 1,581.67 × 745.93
4. Step 4: Simplify right side
   1,055.05x = 1,179,815.10
5. Step 5: Solve for x
   x = 1,179,815.10/1,055.05
6. Step 6: Final answer
   x = 1,118.26