Finding the Fourth Proportional to 243.94, 365.83 and 89.83

Step by Step Solution

1. Step 1: Write the proportion equation
   243.94 : 365.83 = 89.83 : x
2. Step 2: Convert to fraction form
   243.94/365.83 = 89.83/x
3. Step 3: Cross multiply
   243.94x = 365.83 × 89.83
4. Step 4: Simplify right side
   243.94x = 32,862.51
5. Step 5: Solve for x
   x = 32,862.51/243.94
6. Step 6: Final answer
   x = 134.72