Finding the Fourth Proportional to 1,662.84, 2,496.15 and 842.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,662.84 : 2,496.15 = 842.04 : x
2. Step 2: Convert to fraction form
   1,662.84/2,496.15 = 842.04/x
3. Step 3: Cross multiply
   1,662.84x = 2,496.15 × 842.04
4. Step 4: Simplify right side
   1,662.84x = 2,101,858.15
5. Step 5: Solve for x
   x = 2,101,858.15/1,662.84
6. Step 6: Final answer
   x = 1,264.02