Finding the Fourth Proportional to 152.78, 228.83 and 123.82

Step by Step Solution

1. Step 1: Write the proportion equation
   152.78 : 228.83 = 123.82 : x
2. Step 2: Convert to fraction form
   152.78/228.83 = 123.82/x
3. Step 3: Cross multiply
   152.78x = 228.83 × 123.82
4. Step 4: Simplify right side
   152.78x = 28,332.54
5. Step 5: Solve for x
   x = 28,332.54/152.78
6. Step 6: Final answer
   x = 185.45