Finding the Fourth Proportional to 100.32, 150.43 and 35.31

Step by Step Solution

1. Step 1: Write the proportion equation
   100.32 : 150.43 = 35.31 : x
2. Step 2: Convert to fraction form
   100.32/150.43 = 35.31/x
3. Step 3: Cross multiply
   100.32x = 150.43 × 35.31
4. Step 4: Simplify right side
   100.32x = 5,311.22
5. Step 5: Solve for x
   x = 5,311.22/100.32
6. Step 6: Final answer
   x = 52.94