Finding the Fourth Proportional to 116.48, 174.94 and 100.05

Step by Step Solution

1. Step 1: Write the proportion equation
   116.48 : 174.94 = 100.05 : x
2. Step 2: Convert to fraction form
   116.48/174.94 = 100.05/x
3. Step 3: Cross multiply
   116.48x = 174.94 × 100.05
4. Step 4: Simplify right side
   116.48x = 17,501.87
5. Step 5: Solve for x
   x = 17,501.87/116.48
6. Step 6: Final answer
   x = 150.26