Finding the Fourth Proportional to 83.03, 123.83 and 73.91

Step by Step Solution

1. Step 1: Write the proportion equation
   83.03 : 123.83 = 73.91 : x
2. Step 2: Convert to fraction form
   83.03/123.83 = 73.91/x
3. Step 3: Cross multiply
   83.03x = 123.83 × 73.91
4. Step 4: Simplify right side
   83.03x = 9,152.49
5. Step 5: Solve for x
   x = 9,152.49/83.03
6. Step 6: Final answer
   x = 110.24