Finding the Fourth Proportional to 1,665.56, 2,492.98 and 884.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,665.56 : 2,492.98 = 884.42 : x
2. Step 2: Convert to fraction form
   1,665.56/2,492.98 = 884.42/x
3. Step 3: Cross multiply
   1,665.56x = 2,492.98 × 884.42
4. Step 4: Simplify right side
   1,665.56x = 2,204,836.04
5. Step 5: Solve for x
   x = 2,204,836.04/1,665.56
6. Step 6: Final answer
   x = 1,323.78