Finding the Fourth Proportional to 1,663.96, 2,293.82 and 1,165.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,663.96 : 2,293.82 = 1,165.04 : x
2. Step 2: Convert to fraction form
   1,663.96/2,293.82 = 1,165.04/x
3. Step 3: Cross multiply
   1,663.96x = 2,293.82 × 1,165.04
4. Step 4: Simplify right side
   1,663.96x = 2,672,392.05
5. Step 5: Solve for x
   x = 2,672,392.05/1,663.96
6. Step 6: Final answer
   x = 1,606.04