Finding the Fourth Proportional to 10,168.59, 14,059.43 and 8,906.02

Step by Step Solution

1. Step 1: Write the proportion equation
   10,168.59 : 14,059.43 = 8,906.02 : x
2. Step 2: Convert to fraction form
   10,168.59/14,059.43 = 8,906.02/x
3. Step 3: Cross multiply
   10,168.59x = 14,059.43 × 8,906.02
4. Step 4: Simplify right side
   10,168.59x = 125,213,555.39
5. Step 5: Solve for x
   x = 125,213,555.39/10,168.59
6. Step 6: Final answer
   x = 12,313.76