Finding the Fourth Proportional to 1,665.08, 2,496.89 and 884.90

Step by Step Solution

1. Step 1: Write the proportion equation
   1,665.08 : 2,496.89 = 884.90 : x
2. Step 2: Convert to fraction form
   1,665.08/2,496.89 = 884.90/x
3. Step 3: Cross multiply
   1,665.08x = 2,496.89 × 884.90
4. Step 4: Simplify right side
   1,665.08x = 2,209,489.35
5. Step 5: Solve for x
   x = 2,209,489.35/1,665.08
6. Step 6: Final answer
   x = 1,326.96