Finding the Fourth Proportional to 131.29, 196.72 and 59.07

Step by Step Solution

1. Step 1: Write the proportion equation
   131.29 : 196.72 = 59.07 : x
2. Step 2: Convert to fraction form
   131.29/196.72 = 59.07/x
3. Step 3: Cross multiply
   131.29x = 196.72 × 59.07
4. Step 4: Simplify right side
   131.29x = 11,620.25
5. Step 5: Solve for x
   x = 11,620.25/131.29
6. Step 6: Final answer
   x = 88.51