Finding the Fourth Proportional to 12,288.59, 16,903.47 and 10,768.62

Step by Step Solution

1. Step 1: Write the proportion equation
   12,288.59 : 16,903.47 = 10,768.62 : x
2. Step 2: Convert to fraction form
   12,288.59/16,903.47 = 10,768.62/x
3. Step 3: Cross multiply
   12,288.59x = 16,903.47 × 10,768.62
4. Step 4: Simplify right side
   12,288.59x = 182,027,088.31
5. Step 5: Solve for x
   x = 182,027,088.31/12,288.59
6. Step 6: Final answer
   x = 14,812.69