Finding the Fourth Proportional to 2,983.47, 4,455.10 and 2,436.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,983.47 : 4,455.10 = 2,436.72 : x
2. Step 2: Convert to fraction form
   2,983.47/4,455.10 = 2,436.72/x
3. Step 3: Cross multiply
   2,983.47x = 4,455.10 × 2,436.72
4. Step 4: Simplify right side
   2,983.47x = 10,855,831.27
5. Step 5: Solve for x
   x = 10,855,831.27/2,983.47
6. Step 6: Final answer
   x = 3,638.66