Finding the Fourth Proportional to 1,335.85, 1,842.83 and 942.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,335.85 : 1,842.83 = 942.01 : x
2. Step 2: Convert to fraction form
   1,335.85/1,842.83 = 942.01/x
3. Step 3: Cross multiply
   1,335.85x = 1,842.83 × 942.01
4. Step 4: Simplify right side
   1,335.85x = 1,735,959.58
5. Step 5: Solve for x
   x = 1,735,959.58/1,335.85
6. Step 6: Final answer
   x = 1,299.52