Finding the Fourth Proportional to 116.84, 174.52 and 100.64

Step by Step Solution

1. Step 1: Write the proportion equation
   116.84 : 174.52 = 100.64 : x
2. Step 2: Convert to fraction form
   116.84/174.52 = 100.64/x
3. Step 3: Cross multiply
   116.84x = 174.52 × 100.64
4. Step 4: Simplify right side
   116.84x = 17,563.69
5. Step 5: Solve for x
   x = 17,563.69/116.84
6. Step 6: Final answer
   x = 150.32