Finding the Fourth Proportional to 1,335.45, 1,842.82 and 745.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,335.45 : 1,842.82 = 745.88 : x
2. Step 2: Convert to fraction form
   1,335.45/1,842.82 = 745.88/x
3. Step 3: Cross multiply
   1,335.45x = 1,842.82 × 745.88
4. Step 4: Simplify right side
   1,335.45x = 1,374,511.50
5. Step 5: Solve for x
   x = 1,374,511.50/1,335.45
6. Step 6: Final answer
   x = 1,029.25