Finding the Fourth Proportional to 16,264.51, 22,443.77 and 9,890.22

Step by Step Solution

1. Step 1: Write the proportion equation
   16,264.51 : 22,443.77 = 9,890.22 : x
2. Step 2: Convert to fraction form
   16,264.51/22,443.77 = 9,890.22/x
3. Step 3: Cross multiply
   16,264.51x = 22,443.77 × 9,890.22
4. Step 4: Simplify right side
   16,264.51x = 221,973,773.48
5. Step 5: Solve for x
   x = 221,973,773.48/16,264.51
6. Step 6: Final answer
   x = 13,647.74