Finding the Fourth Proportional to 16,606.28, 22,903.71 and 10,638.51

Step by Step Solution

1. Step 1: Write the proportion equation
   16,606.28 : 22,903.71 = 10,638.51 : x
2. Step 2: Convert to fraction form
   16,606.28/22,903.71 = 10,638.51/x
3. Step 3: Cross multiply
   16,606.28x = 22,903.71 × 10,638.51
4. Step 4: Simplify right side
   16,606.28x = 243,661,281.93
5. Step 5: Solve for x
   x = 243,661,281.93/16,606.28
6. Step 6: Final answer
   x = 14,672.84