Finding the Fourth Proportional to 16,271.04, 22,458.15 and 9,897.69

Step by Step Solution

1. Step 1: Write the proportion equation
   16,271.04 : 22,458.15 = 9,897.69 : x
2. Step 2: Convert to fraction form
   16,271.04/22,458.15 = 9,897.69/x
3. Step 3: Cross multiply
   16,271.04x = 22,458.15 × 9,897.69
4. Step 4: Simplify right side
   16,271.04x = 222,283,806.67
5. Step 5: Solve for x
   x = 222,283,806.67/16,271.04
6. Step 6: Final answer
   x = 13,661.32