Finding the Fourth Proportional to 131.59, 181.50 and 116.03

Step by Step Solution

1. Step 1: Write the proportion equation
   131.59 : 181.50 = 116.03 : x
2. Step 2: Convert to fraction form
   131.59/181.50 = 116.03/x
3. Step 3: Cross multiply
   131.59x = 181.50 × 116.03
4. Step 4: Simplify right side
   131.59x = 21,059.45
5. Step 5: Solve for x
   x = 21,059.45/131.59
6. Step 6: Final answer
   x = 160.04