Finding the Fourth Proportional to 97.89, 146.69 and 52.25

Step by Step Solution

1. Step 1: Write the proportion equation
   97.89 : 146.69 = 52.25 : x
2. Step 2: Convert to fraction form
   97.89/146.69 = 52.25/x
3. Step 3: Cross multiply
   97.89x = 146.69 × 52.25
4. Step 4: Simplify right side
   97.89x = 7,663.56
5. Step 5: Solve for x
   x = 7,663.56/97.89
6. Step 6: Final answer
   x = 78.29