Finding the Fourth Proportional to 1,343.02, 1,853.41 and 745.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,343.02 : 1,853.41 = 745.55 : x
2. Step 2: Convert to fraction form
   1,343.02/1,853.41 = 745.55/x
3. Step 3: Cross multiply
   1,343.02x = 1,853.41 × 745.55
4. Step 4: Simplify right side
   1,343.02x = 1,381,809.83
5. Step 5: Solve for x
   x = 1,381,809.83/1,343.02
6. Step 6: Final answer
   x = 1,028.88