Finding the Fourth Proportional to 1,137.62, 1,568.89 and 743.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,137.62 : 1,568.89 = 743.96 : x
2. Step 2: Convert to fraction form
   1,137.62/1,568.89 = 743.96/x
3. Step 3: Cross multiply
   1,137.62x = 1,568.89 × 743.96
4. Step 4: Simplify right side
   1,137.62x = 1,167,191.40
5. Step 5: Solve for x
   x = 1,167,191.40/1,137.62
6. Step 6: Final answer
   x = 1,025.99