Finding the Fourth Proportional to 245, 367.67 and 100.72

Step by Step Solution

1. Step 1: Write the proportion equation
   245 : 367.67 = 100.72 : x
2. Step 2: Convert to fraction form
   245/367.67 = 100.72/x
3. Step 3: Cross multiply
   245x = 367.67 × 100.72
4. Step 4: Simplify right side
   245x = 37,031.72
5. Step 5: Solve for x
   x = 37,031.72/245
6. Step 6: Final answer
   x = 151.15