Finding the Fourth Proportional to 200.72, 300.81 and 114.10

Step by Step Solution

1. Step 1: Write the proportion equation
   200.72 : 300.81 = 114.10 : x
2. Step 2: Convert to fraction form
   200.72/300.81 = 114.10/x
3. Step 3: Cross multiply
   200.72x = 300.81 × 114.10
4. Step 4: Simplify right side
   200.72x = 34,320.92
5. Step 5: Solve for x
   x = 34,320.92/200.72
6. Step 6: Final answer
   x = 170.99