Finding the Fourth Proportional to 116.10, 173.82 and 70.47

Step by Step Solution

1. Step 1: Write the proportion equation
   116.10 : 173.82 = 70.47 : x
2. Step 2: Convert to fraction form
   116.10/173.82 = 70.47/x
3. Step 3: Cross multiply
   116.10x = 173.82 × 70.47
4. Step 4: Simplify right side
   116.10x = 12,249.10
5. Step 5: Solve for x
   x = 12,249.10/116.10
6. Step 6: Final answer
   x = 105.50