Finding the Fourth Proportional to 1,342.76, 1,853.10 and 745.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,342.76 : 1,853.10 = 745.29 : x
2. Step 2: Convert to fraction form
   1,342.76/1,853.10 = 745.29/x
3. Step 3: Cross multiply
   1,342.76x = 1,853.10 × 745.29
4. Step 4: Simplify right side
   1,342.76x = 1,381,096.90
5. Step 5: Solve for x
   x = 1,381,096.90/1,342.76
6. Step 6: Final answer
   x = 1,028.55