Finding the Fourth Proportional to 1,341.10, 1,850.72 and 743.60

Step by Step Solution

1. Step 1: Write the proportion equation
   1,341.10 : 1,850.72 = 743.60 : x
2. Step 2: Convert to fraction form
   1,341.10/1,850.72 = 743.60/x
3. Step 3: Cross multiply
   1,341.10x = 1,850.72 × 743.60
4. Step 4: Simplify right side
   1,341.10x = 1,376,206.74
5. Step 5: Solve for x
   x = 1,376,206.74/1,341.10
6. Step 6: Final answer
   x = 1,026.18