Finding the Fourth Proportional to 10,897.72, 16,344.43 and 2,998.20

Step by Step Solution

1. Step 1: Write the proportion equation
   10,897.72 : 16,344.43 = 2,998.20 : x
2. Step 2: Convert to fraction form
   10,897.72/16,344.43 = 2,998.20/x
3. Step 3: Cross multiply
   10,897.72x = 16,344.43 × 2,998.20
4. Step 4: Simplify right side
   10,897.72x = 49,003,831.88
5. Step 5: Solve for x
   x = 49,003,831.88/10,897.72
6. Step 6: Final answer
   x = 4,496.70