Finding the Fourth Proportional to 116.72, 175.06 and 100.32

Step by Step Solution

1. Step 1: Write the proportion equation
   116.72 : 175.06 = 100.32 : x
2. Step 2: Convert to fraction form
   116.72/175.06 = 100.32/x
3. Step 3: Cross multiply
   116.72x = 175.06 × 100.32
4. Step 4: Simplify right side
   116.72x = 17,562.02
5. Step 5: Solve for x
   x = 17,562.02/116.72
6. Step 6: Final answer
   x = 150.46