Finding the Fourth Proportional to 99.01, 136.61 and 59.67

Step by Step Solution

1. Step 1: Write the proportion equation
   99.01 : 136.61 = 59.67 : x
2. Step 2: Convert to fraction form
   99.01/136.61 = 59.67/x
3. Step 3: Cross multiply
   99.01x = 136.61 × 59.67
4. Step 4: Simplify right side
   99.01x = 8,151.52
5. Step 5: Solve for x
   x = 8,151.52/99.01
6. Step 6: Final answer
   x = 82.33