Finding the Fourth Proportional to 100.29, 150.56 and 83.37

Step by Step Solution

1. Step 1: Write the proportion equation
   100.29 : 150.56 = 83.37 : x
2. Step 2: Convert to fraction form
   100.29/150.56 = 83.37/x
3. Step 3: Cross multiply
   100.29x = 150.56 × 83.37
4. Step 4: Simplify right side
   100.29x = 12,552.65
5. Step 5: Solve for x
   x = 12,552.65/100.29
6. Step 6: Final answer
   x = 125.16