Finding the Fourth Proportional to 16,411.92, 22,607.76 and 13,053.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,411.92 : 22,607.76 = 13,053.72 : x
2. Step 2: Convert to fraction form
   16,411.92/22,607.76 = 13,053.72/x
3. Step 3: Cross multiply
   16,411.92x = 22,607.76 × 13,053.72
4. Step 4: Simplify right side
   16,411.92x = 295,115,368.87
5. Step 5: Solve for x
   x = 295,115,368.87/16,411.92
6. Step 6: Final answer
   x = 17,981.77