Finding the Fourth Proportional to 117.46, 176.18 and 99.34

Step by Step Solution

1. Step 1: Write the proportion equation
   117.46 : 176.18 = 99.34 : x
2. Step 2: Convert to fraction form
   117.46/176.18 = 99.34/x
3. Step 3: Cross multiply
   117.46x = 176.18 × 99.34
4. Step 4: Simplify right side
   117.46x = 17,501.72
5. Step 5: Solve for x
   x = 17,501.72/117.46
6. Step 6: Final answer
   x = 149.00