Finding the Fourth Proportional to 1,036.41, 1,555.22 and 743.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,036.41 : 1,555.22 = 743.59 : x
2. Step 2: Convert to fraction form
   1,036.41/1,555.22 = 743.59/x
3. Step 3: Cross multiply
   1,036.41x = 1,555.22 × 743.59
4. Step 4: Simplify right side
   1,036.41x = 1,156,446.04
5. Step 5: Solve for x
   x = 1,156,446.04/1,036.41
6. Step 6: Final answer
   x = 1,115.82