Finding the Fourth Proportional to 100.27, 151.17 and 93.31

Step by Step Solution

1. Step 1: Write the proportion equation
   100.27 : 151.17 = 93.31 : x
2. Step 2: Convert to fraction form
   100.27/151.17 = 93.31/x
3. Step 3: Cross multiply
   100.27x = 151.17 × 93.31
4. Step 4: Simplify right side
   100.27x = 14,105.67
5. Step 5: Solve for x
   x = 14,105.67/100.27
6. Step 6: Final answer
   x = 140.68