Finding the Fourth Proportional to 1,341.31, 1,851.00 and 743.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,341.31 : 1,851.00 = 743.78 : x
2. Step 2: Convert to fraction form
   1,341.31/1,851.00 = 743.78/x
3. Step 3: Cross multiply
   1,341.31x = 1,851.00 × 743.78
4. Step 4: Simplify right side
   1,341.31x = 1,376,742.80
5. Step 5: Solve for x
   x = 1,376,742.80/1,341.31
6. Step 6: Final answer
   x = 1,026.42