Finding the Fourth Proportional to 116.29, 174.33 and 43.15

Step by Step Solution

1. Step 1: Write the proportion equation
   116.29 : 174.33 = 43.15 : x
2. Step 2: Convert to fraction form
   116.29/174.33 = 43.15/x
3. Step 3: Cross multiply
   116.29x = 174.33 × 43.15
4. Step 4: Simplify right side
   116.29x = 7,522.34
5. Step 5: Solve for x
   x = 7,522.34/116.29
6. Step 6: Final answer
   x = 64.69