Finding the Fourth Proportional to 99.50, 149.27 and 34.51

Step by Step Solution

1. Step 1: Write the proportion equation
   99.50 : 149.27 = 34.51 : x
2. Step 2: Convert to fraction form
   99.50/149.27 = 34.51/x
3. Step 3: Cross multiply
   99.50x = 149.27 × 34.51
4. Step 4: Simplify right side
   99.50x = 5,151.99
5. Step 5: Solve for x
   x = 5,151.99/99.50
6. Step 6: Final answer
   x = 51.78