Finding the Fourth Proportional to 99.48, 149.18 and 35.34

Step by Step Solution

1. Step 1: Write the proportion equation
   99.48 : 149.18 = 35.34 : x
2. Step 2: Convert to fraction form
   99.48/149.18 = 35.34/x
3. Step 3: Cross multiply
   99.48x = 149.18 × 35.34
4. Step 4: Simplify right side
   99.48x = 5,272.02
5. Step 5: Solve for x
   x = 5,272.02/99.48
6. Step 6: Final answer
   x = 53.00