Finding the Fourth Proportional to 16,419.49, 22,807.76 and 16,165.10

Step by Step Solution

1. Step 1: Write the proportion equation
   16,419.49 : 22,807.76 = 16,165.10 : x
2. Step 2: Convert to fraction form
   16,419.49/22,807.76 = 16,165.10/x
3. Step 3: Cross multiply
   16,419.49x = 22,807.76 × 16,165.10
4. Step 4: Simplify right side
   16,419.49x = 368,689,697.37
5. Step 5: Solve for x
   x = 368,689,697.37/16,419.49
6. Step 6: Final answer
   x = 22,454.40