Finding the Fourth Proportional to 152.91, 228.82 and 116.55

Step by Step Solution

1. Step 1: Write the proportion equation
   152.91 : 228.82 = 116.55 : x
2. Step 2: Convert to fraction form
   152.91/228.82 = 116.55/x
3. Step 3: Cross multiply
   152.91x = 228.82 × 116.55
4. Step 4: Simplify right side
   152.91x = 26,667.54
5. Step 5: Solve for x
   x = 26,667.54/152.91
6. Step 6: Final answer
   x = 174.41