Finding the Fourth Proportional to 131.32, 196.98 and 59.18

Step by Step Solution

1. Step 1: Write the proportion equation
   131.32 : 196.98 = 59.18 : x
2. Step 2: Convert to fraction form
   131.32/196.98 = 59.18/x
3. Step 3: Cross multiply
   131.32x = 196.98 × 59.18
4. Step 4: Simplify right side
   131.32x = 11,656.07
5. Step 5: Solve for x
   x = 11,656.07/131.32
6. Step 6: Final answer
   x = 88.76