Finding the Fourth Proportional to 99.22, 148.83 and 35.10

Step by Step Solution

1. Step 1: Write the proportion equation
   99.22 : 148.83 = 35.10 : x
2. Step 2: Convert to fraction form
   99.22/148.83 = 35.10/x
3. Step 3: Cross multiply
   99.22x = 148.83 × 35.10
4. Step 4: Simplify right side
   99.22x = 5,223.93
5. Step 5: Solve for x
   x = 5,223.93/99.22
6. Step 6: Final answer
   x = 52.65