Finding the Fourth Proportional to 16,478.32, 22,721.86 and 10,500.52

Step by Step Solution

1. Step 1: Write the proportion equation
   16,478.32 : 22,721.86 = 10,500.52 : x
2. Step 2: Convert to fraction form
   16,478.32/22,721.86 = 10,500.52/x
3. Step 3: Cross multiply
   16,478.32x = 22,721.86 × 10,500.52
4. Step 4: Simplify right side
   16,478.32x = 238,591,345.37
5. Step 5: Solve for x
   x = 238,591,345.37/16,478.32
6. Step 6: Final answer
   x = 14,479.11