Finding the Fourth Proportional to 99.27, 136.88 and 62.37

Step by Step Solution

1. Step 1: Write the proportion equation
   99.27 : 136.88 = 62.37 : x
2. Step 2: Convert to fraction form
   99.27/136.88 = 62.37/x
3. Step 3: Cross multiply
   99.27x = 136.88 × 62.37
4. Step 4: Simplify right side
   99.27x = 8,536.89
5. Step 5: Solve for x
   x = 8,536.89/99.27
6. Step 6: Final answer
   x = 86.00