Finding the Fourth Proportional to 152.82, 210.72 and 116.07

Step by Step Solution

1. Step 1: Write the proportion equation
   152.82 : 210.72 = 116.07 : x
2. Step 2: Convert to fraction form
   152.82/210.72 = 116.07/x
3. Step 3: Cross multiply
   152.82x = 210.72 × 116.07
4. Step 4: Simplify right side
   152.82x = 24,458.27
5. Step 5: Solve for x
   x = 24,458.27/152.82
6. Step 6: Final answer
   x = 160.05