Finding the Fourth Proportional to 16,190.07, 22,345.61 and 10,217.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,190.07 : 22,345.61 = 10,217.72 : x
2. Step 2: Convert to fraction form
   16,190.07/22,345.61 = 10,217.72/x
3. Step 3: Cross multiply
   16,190.07x = 22,345.61 × 10,217.72
4. Step 4: Simplify right side
   16,190.07x = 228,321,023.39
5. Step 5: Solve for x
   x = 228,321,023.39/16,190.07
6. Step 6: Final answer
   x = 14,102.53