Finding the Fourth Proportional to 89.33, 123.27 and 49.98

Step by Step Solution

1. Step 1: Write the proportion equation
   89.33 : 123.27 = 49.98 : x
2. Step 2: Convert to fraction form
   89.33/123.27 = 49.98/x
3. Step 3: Cross multiply
   89.33x = 123.27 × 49.98
4. Step 4: Simplify right side
   89.33x = 6,161.31
5. Step 5: Solve for x
   x = 6,161.31/89.33
6. Step 6: Final answer
   x = 68.98