Finding the Fourth Proportional to 100.95, 151.43 and 28.82

Step by Step Solution

1. Step 1: Write the proportion equation
   100.95 : 151.43 = 28.82 : x
2. Step 2: Convert to fraction form
   100.95/151.43 = 28.82/x
3. Step 3: Cross multiply
   100.95x = 151.43 × 28.82
4. Step 4: Simplify right side
   100.95x = 4,363.31
5. Step 5: Solve for x
   x = 4,363.31/100.95
6. Step 6: Final answer
   x = 43.22