Finding the Fourth Proportional to 86.69, 130.01 and 35.33

Step by Step Solution

1. Step 1: Write the proportion equation
   86.69 : 130.01 = 35.33 : x
2. Step 2: Convert to fraction form
   86.69/130.01 = 35.33/x
3. Step 3: Cross multiply
   86.69x = 130.01 × 35.33
4. Step 4: Simplify right side
   86.69x = 4,592.43
5. Step 5: Solve for x
   x = 4,592.43/86.69
6. Step 6: Final answer
   x = 52.97