Finding the Fourth Proportional to 15,844, 21,844.84 and 10,168.72

Step by Step Solution

1. Step 1: Write the proportion equation
   15,844 : 21,844.84 = 10,168.72 : x
2. Step 2: Convert to fraction form
   15,844/21,844.84 = 10,168.72/x
3. Step 3: Cross multiply
   15,844x = 21,844.84 × 10,168.72
4. Step 4: Simplify right side
   15,844x = 222,134,061.40
5. Step 5: Solve for x
   x = 222,134,061.40/15,844
6. Step 6: Final answer
   x = 14,020.07