Finding the Fourth Proportional to 111.83, 154.29 and 70.37

Step by Step Solution

1. Step 1: Write the proportion equation
   111.83 : 154.29 = 70.37 : x
2. Step 2: Convert to fraction form
   111.83/154.29 = 70.37/x
3. Step 3: Cross multiply
   111.83x = 154.29 × 70.37
4. Step 4: Simplify right side
   111.83x = 10,856.62
5. Step 5: Solve for x
   x = 10,856.62/111.83
6. Step 6: Final answer
   x = 97.09