Finding the Fourth Proportional to 100.86, 151.98 and 96.22

Step by Step Solution

1. Step 1: Write the proportion equation
   100.86 : 151.98 = 96.22 : x
2. Step 2: Convert to fraction form
   100.86/151.98 = 96.22/x
3. Step 3: Cross multiply
   100.86x = 151.98 × 96.22
4. Step 4: Simplify right side
   100.86x = 14,623.52
5. Step 5: Solve for x
   x = 14,623.52/100.86
6. Step 6: Final answer
   x = 144.99