Finding the Fourth Proportional to 1,335.02, 1,842.30 and 745.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,335.02 : 1,842.30 = 745.52 : x
2. Step 2: Convert to fraction form
   1,335.02/1,842.30 = 745.52/x
3. Step 3: Cross multiply
   1,335.02x = 1,842.30 × 745.52
4. Step 4: Simplify right side
   1,335.02x = 1,373,471.50
5. Step 5: Solve for x
   x = 1,373,471.50/1,335.02
6. Step 6: Final answer
   x = 1,028.80