Finding the Fourth Proportional to 100.93, 150.61 and 100.37

Step by Step Solution

1. Step 1: Write the proportion equation
   100.93 : 150.61 = 100.37 : x
2. Step 2: Convert to fraction form
   100.93/150.61 = 100.37/x
3. Step 3: Cross multiply
   100.93x = 150.61 × 100.37
4. Step 4: Simplify right side
   100.93x = 15,116.73
5. Step 5: Solve for x
   x = 15,116.73/100.93
6. Step 6: Final answer
   x = 149.78