Finding the Fourth Proportional to 237.72, 356.52 and 100.69

Step by Step Solution

1. Step 1: Write the proportion equation
   237.72 : 356.52 = 100.69 : x
2. Step 2: Convert to fraction form
   237.72/356.52 = 100.69/x
3. Step 3: Cross multiply
   237.72x = 356.52 × 100.69
4. Step 4: Simplify right side
   237.72x = 35,898.89
5. Step 5: Solve for x
   x = 35,898.89/237.72
6. Step 6: Final answer
   x = 151.01