Finding the Fourth Proportional to 16,099.50, 22,224.59 and 10,139.93

Step by Step Solution

1. Step 1: Write the proportion equation
   16,099.50 : 22,224.59 = 10,139.93 : x
2. Step 2: Convert to fraction form
   16,099.50/22,224.59 = 10,139.93/x
3. Step 3: Cross multiply
   16,099.50x = 22,224.59 × 10,139.93
4. Step 4: Simplify right side
   16,099.50x = 225,355,625.06
5. Step 5: Solve for x
   x = 225,355,625.06/16,099.50
6. Step 6: Final answer
   x = 13,997.68