Finding the Fourth Proportional to 116.48, 174.83 and 100.28

Step by Step Solution

1. Step 1: Write the proportion equation
   116.48 : 174.83 = 100.28 : x
2. Step 2: Convert to fraction form
   116.48/174.83 = 100.28/x
3. Step 3: Cross multiply
   116.48x = 174.83 × 100.28
4. Step 4: Simplify right side
   116.48x = 17,531.89
5. Step 5: Solve for x
   x = 17,531.89/116.48
6. Step 6: Final answer
   x = 150.51