Finding the Fourth Proportional to 2,424.72, 3,635.72 and 1,189.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,424.72 : 3,635.72 = 1,189.48 : x
2. Step 2: Convert to fraction form
   2,424.72/3,635.72 = 1,189.48/x
3. Step 3: Cross multiply
   2,424.72x = 3,635.72 × 1,189.48
4. Step 4: Simplify right side
   2,424.72x = 4,324,616.23
5. Step 5: Solve for x
   x = 4,324,616.23/2,424.72
6. Step 6: Final answer
   x = 1,783.55