Finding the Fourth Proportional to 97.86, 146.72 and 33.72

Step by Step Solution

1. Step 1: Write the proportion equation
   97.86 : 146.72 = 33.72 : x
2. Step 2: Convert to fraction form
   97.86/146.72 = 33.72/x
3. Step 3: Cross multiply
   97.86x = 146.72 × 33.72
4. Step 4: Simplify right side
   97.86x = 4,947.40
5. Step 5: Solve for x
   x = 4,947.40/97.86
6. Step 6: Final answer
   x = 50.56