Finding the Fourth Proportional to 16,269.21, 22,442.83 and 9,897.75

Step by Step Solution

1. Step 1: Write the proportion equation
   16,269.21 : 22,442.83 = 9,897.75 : x
2. Step 2: Convert to fraction form
   16,269.21/22,442.83 = 9,897.75/x
3. Step 3: Cross multiply
   16,269.21x = 22,442.83 × 9,897.75
4. Step 4: Simplify right side
   16,269.21x = 222,133,495.89
5. Step 5: Solve for x
   x = 222,133,495.89/16,269.21
6. Step 6: Final answer
   x = 13,653.61