Finding the Fourth Proportional to 116.52, 174.72 and 70.88

Step by Step Solution

1. Step 1: Write the proportion equation
   116.52 : 174.72 = 70.88 : x
2. Step 2: Convert to fraction form
   116.52/174.72 = 70.88/x
3. Step 3: Cross multiply
   116.52x = 174.72 × 70.88
4. Step 4: Simplify right side
   116.52x = 12,384.15
5. Step 5: Solve for x
   x = 12,384.15/116.52
6. Step 6: Final answer
   x = 106.28