Finding the Fourth Proportional to 1,443.93, 2,166.12 and 741.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,443.93 : 2,166.12 = 741.39 : x
2. Step 2: Convert to fraction form
   1,443.93/2,166.12 = 741.39/x
3. Step 3: Cross multiply
   1,443.93x = 2,166.12 × 741.39
4. Step 4: Simplify right side
   1,443.93x = 1,605,939.71
5. Step 5: Solve for x
   x = 1,605,939.71/1,443.93
6. Step 6: Final answer
   x = 1,112.20