Finding the Fourth Proportional to 112.83, 169.08 and 100.62

Step by Step Solution

1. Step 1: Write the proportion equation
   112.83 : 169.08 = 100.62 : x
2. Step 2: Convert to fraction form
   112.83/169.08 = 100.62/x
3. Step 3: Cross multiply
   112.83x = 169.08 × 100.62
4. Step 4: Simplify right side
   112.83x = 17,012.83
5. Step 5: Solve for x
   x = 17,012.83/112.83
6. Step 6: Final answer
   x = 150.78