Finding the Fourth Proportional to 16,564.32, 22,860.83 and 9,490.77

Step by Step Solution

1. Step 1: Write the proportion equation
   16,564.32 : 22,860.83 = 9,490.77 : x
2. Step 2: Convert to fraction form
   16,564.32/22,860.83 = 9,490.77/x
3. Step 3: Cross multiply
   16,564.32x = 22,860.83 × 9,490.77
4. Step 4: Simplify right side
   16,564.32x = 216,966,903.27
5. Step 5: Solve for x
   x = 216,966,903.27/16,564.32
6. Step 6: Final answer
   x = 13,098.45