Finding the Fourth Proportional to 16,051.43, 22,159.68 and 9,679.16

Step by Step Solution

1. Step 1: Write the proportion equation
   16,051.43 : 22,159.68 = 9,679.16 : x
2. Step 2: Convert to fraction form
   16,051.43/22,159.68 = 9,679.16/x
3. Step 3: Cross multiply
   16,051.43x = 22,159.68 × 9,679.16
4. Step 4: Simplify right side
   16,051.43x = 214,487,088.27
5. Step 5: Solve for x
   x = 214,487,088.27/16,051.43
6. Step 6: Final answer
   x = 13,362.49