Finding the Fourth Proportional to 99.72, 150.48 and 95.99

Step by Step Solution

1. Step 1: Write the proportion equation
   99.72 : 150.48 = 95.99 : x
2. Step 2: Convert to fraction form
   99.72/150.48 = 95.99/x
3. Step 3: Cross multiply
   99.72x = 150.48 × 95.99
4. Step 4: Simplify right side
   99.72x = 14,443.82
5. Step 5: Solve for x
   x = 14,443.82/99.72
6. Step 6: Final answer
   x = 144.84