Finding the Fourth Proportional to 1,335.51, 1,842.78 and 746.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,335.51 : 1,842.78 = 746.05 : x
2. Step 2: Convert to fraction form
   1,335.51/1,842.78 = 746.05/x
3. Step 3: Cross multiply
   1,335.51x = 1,842.78 × 746.05
4. Step 4: Simplify right side
   1,335.51x = 1,374,801.41
5. Step 5: Solve for x
   x = 1,374,801.41/1,335.51
6. Step 6: Final answer
   x = 1,029.42