Finding the Fourth Proportional to 116.01, 174.05 and 72.53

Step by Step Solution

1. Step 1: Write the proportion equation
   116.01 : 174.05 = 72.53 : x
2. Step 2: Convert to fraction form
   116.01/174.05 = 72.53/x
3. Step 3: Cross multiply
   116.01x = 174.05 × 72.53
4. Step 4: Simplify right side
   116.01x = 12,623.54
5. Step 5: Solve for x
   x = 12,623.54/116.01
6. Step 6: Final answer
   x = 108.81