Finding the Fourth Proportional to 73.98, 111.15 and 50.07

Step by Step Solution

1. Step 1: Write the proportion equation
   73.98 : 111.15 = 50.07 : x
2. Step 2: Convert to fraction form
   73.98/111.15 = 50.07/x
3. Step 3: Cross multiply
   73.98x = 111.15 × 50.07
4. Step 4: Simplify right side
   73.98x = 5,565.28
5. Step 5: Solve for x
   x = 5,565.28/73.98
6. Step 6: Final answer
   x = 75.23