Finding the Fourth Proportional to 333.38, 499.91 and 116.91

Step by Step Solution

1. Step 1: Write the proportion equation
   333.38 : 499.91 = 116.91 : x
2. Step 2: Convert to fraction form
   333.38/499.91 = 116.91/x
3. Step 3: Cross multiply
   333.38x = 499.91 × 116.91
4. Step 4: Simplify right side
   333.38x = 58,443.89
5. Step 5: Solve for x
   x = 58,443.89/333.38
6. Step 6: Final answer
   x = 175.31