Finding the Fourth Proportional to 16,143.16, 22,279.28 and 9,773.23

Step by Step Solution

1. Step 1: Write the proportion equation
   16,143.16 : 22,279.28 = 9,773.23 : x
2. Step 2: Convert to fraction form
   16,143.16/22,279.28 = 9,773.23/x
3. Step 3: Cross multiply
   16,143.16x = 22,279.28 × 9,773.23
4. Step 4: Simplify right side
   16,143.16x = 217,740,527.67
5. Step 5: Solve for x
   x = 217,740,527.67/16,143.16
6. Step 6: Final answer
   x = 13,488.10