Finding the Fourth Proportional to 16,146.51, 22,293.06 and 14,439.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,146.51 : 22,293.06 = 14,439.72 : x
2. Step 2: Convert to fraction form
   16,146.51/22,293.06 = 14,439.72/x
3. Step 3: Cross multiply
   16,146.51x = 22,293.06 × 14,439.72
4. Step 4: Simplify right side
   16,146.51x = 321,905,544.34
5. Step 5: Solve for x
   x = 321,905,544.34/16,146.51
6. Step 6: Final answer
   x = 19,936.54