Finding the Fourth Proportional to 131.98, 182.10 and 99.33

Step by Step Solution

1. Step 1: Write the proportion equation
   131.98 : 182.10 = 99.33 : x
2. Step 2: Convert to fraction form
   131.98/182.10 = 99.33/x
3. Step 3: Cross multiply
   131.98x = 182.10 × 99.33
4. Step 4: Simplify right side
   131.98x = 18,087.12
5. Step 5: Solve for x
   x = 18,087.12/131.98
6. Step 6: Final answer
   x = 137.05