Finding the Fourth Proportional to 131.01, 196.52 and 70.18

Step by Step Solution

1. Step 1: Write the proportion equation
   131.01 : 196.52 = 70.18 : x
2. Step 2: Convert to fraction form
   131.01/196.52 = 70.18/x
3. Step 3: Cross multiply
   131.01x = 196.52 × 70.18
4. Step 4: Simplify right side
   131.01x = 13,791.77
5. Step 5: Solve for x
   x = 13,791.77/131.01
6. Step 6: Final answer
   x = 105.27