Finding the Fourth Proportional to 124.82, 186.86 and 100.52

Step by Step Solution

1. Step 1: Write the proportion equation
   124.82 : 186.86 = 100.52 : x
2. Step 2: Convert to fraction form
   124.82/186.86 = 100.52/x
3. Step 3: Cross multiply
   124.82x = 186.86 × 100.52
4. Step 4: Simplify right side
   124.82x = 18,783.17
5. Step 5: Solve for x
   x = 18,783.17/124.82
6. Step 6: Final answer
   x = 150.48