Finding the Fourth Proportional to 152.06, 228.09 and 131.82

Step by Step Solution

1. Step 1: Write the proportion equation
   152.06 : 228.09 = 131.82 : x
2. Step 2: Convert to fraction form
   152.06/228.09 = 131.82/x
3. Step 3: Cross multiply
   152.06x = 228.09 × 131.82
4. Step 4: Simplify right side
   152.06x = 30,066.82
5. Step 5: Solve for x
   x = 30,066.82/152.06
6. Step 6: Final answer
   x = 197.73