Finding the Fourth Proportional to 16,165.86, 22,301.82 and 9,874.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,165.86 : 22,301.82 = 9,874.50 : x
2. Step 2: Convert to fraction form
   16,165.86/22,301.82 = 9,874.50/x
3. Step 3: Cross multiply
   16,165.86x = 22,301.82 × 9,874.50
4. Step 4: Simplify right side
   16,165.86x = 220,219,321.59
5. Step 5: Solve for x
   x = 220,219,321.59/16,165.86
6. Step 6: Final answer
   x = 13,622.49