Finding the Fourth Proportional to 99.68, 149.76 and 67.52

Step by Step Solution

1. Step 1: Write the proportion equation
   99.68 : 149.76 = 67.52 : x
2. Step 2: Convert to fraction form
   99.68/149.76 = 67.52/x
3. Step 3: Cross multiply
   99.68x = 149.76 × 67.52
4. Step 4: Simplify right side
   99.68x = 10,111.80
5. Step 5: Solve for x
   x = 10,111.80/99.68
6. Step 6: Final answer
   x = 101.44