Finding the Fourth Proportional to 86.69, 119.52 and 59.01

Step by Step Solution

1. Step 1: Write the proportion equation
   86.69 : 119.52 = 59.01 : x
2. Step 2: Convert to fraction form
   86.69/119.52 = 59.01/x
3. Step 3: Cross multiply
   86.69x = 119.52 × 59.01
4. Step 4: Simplify right side
   86.69x = 7,053.32
5. Step 5: Solve for x
   x = 7,053.32/86.69
6. Step 6: Final answer
   x = 81.36