Finding the Fourth Proportional to 1,341.76, 1,851.72 and 744.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,341.76 : 1,851.72 = 744.28 : x
2. Step 2: Convert to fraction form
   1,341.76/1,851.72 = 744.28/x
3. Step 3: Cross multiply
   1,341.76x = 1,851.72 × 744.28
4. Step 4: Simplify right side
   1,341.76x = 1,378,205.34
5. Step 5: Solve for x
   x = 1,378,205.34/1,341.76
6. Step 6: Final answer
   x = 1,027.16