Finding the Fourth Proportional to 130.52, 196.12 and 69.69

Step by Step Solution

1. Step 1: Write the proportion equation
   130.52 : 196.12 = 69.69 : x
2. Step 2: Convert to fraction form
   130.52/196.12 = 69.69/x
3. Step 3: Cross multiply
   130.52x = 196.12 × 69.69
4. Step 4: Simplify right side
   130.52x = 13,667.60
5. Step 5: Solve for x
   x = 13,667.60/130.52
6. Step 6: Final answer
   x = 104.72