Finding the Fourth Proportional to 1,165.82, 1,608.88 and 723.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,165.82 : 1,608.88 = 723.86 : x
2. Step 2: Convert to fraction form
   1,165.82/1,608.88 = 723.86/x
3. Step 3: Cross multiply
   1,165.82x = 1,608.88 × 723.86
4. Step 4: Simplify right side
   1,165.82x = 1,164,603.88
5. Step 5: Solve for x
   x = 1,164,603.88/1,165.82
6. Step 6: Final answer
   x = 998.96