Finding the Fourth Proportional to 116.74, 174.25 and 100.54

Step by Step Solution

1. Step 1: Write the proportion equation
   116.74 : 174.25 = 100.54 : x
2. Step 2: Convert to fraction form
   116.74/174.25 = 100.54/x
3. Step 3: Cross multiply
   116.74x = 174.25 × 100.54
4. Step 4: Simplify right side
   116.74x = 17,519.10
5. Step 5: Solve for x
   x = 17,519.10/116.74
6. Step 6: Final answer
   x = 150.07