Finding the Fourth Proportional to 16,022.31, 22,105.95 and 9,306.63

Step by Step Solution

1. Step 1: Write the proportion equation
   16,022.31 : 22,105.95 = 9,306.63 : x
2. Step 2: Convert to fraction form
   16,022.31/22,105.95 = 9,306.63/x
3. Step 3: Cross multiply
   16,022.31x = 22,105.95 × 9,306.63
4. Step 4: Simplify right side
   16,022.31x = 205,731,897.45
5. Step 5: Solve for x
   x = 205,731,897.45/16,022.31
6. Step 6: Final answer
   x = 12,840.34