Finding the Fourth Proportional to 72.83, 109.17 and 50.02

Step by Step Solution

1. Step 1: Write the proportion equation
   72.83 : 109.17 = 50.02 : x
2. Step 2: Convert to fraction form
   72.83/109.17 = 50.02/x
3. Step 3: Cross multiply
   72.83x = 109.17 × 50.02
4. Step 4: Simplify right side
   72.83x = 5,460.41
5. Step 5: Solve for x
   x = 5,460.41/72.83
6. Step 6: Final answer
   x = 74.97