Finding the Fourth Proportional to 105.30, 157.98 and 32.17

Step by Step Solution

1. Step 1: Write the proportion equation
   105.30 : 157.98 = 32.17 : x
2. Step 2: Convert to fraction form
   105.30/157.98 = 32.17/x
3. Step 3: Cross multiply
   105.30x = 157.98 × 32.17
4. Step 4: Simplify right side
   105.30x = 5,082.51
5. Step 5: Solve for x
   x = 5,082.51/105.30
6. Step 6: Final answer
   x = 48.27