Finding the Fourth Proportional to 12,800.97, 17,665.43 and 7,495.88

Step by Step Solution

1. Step 1: Write the proportion equation
   12,800.97 : 17,665.43 = 7,495.88 : x
2. Step 2: Convert to fraction form
   12,800.97/17,665.43 = 7,495.88/x
3. Step 3: Cross multiply
   12,800.97x = 17,665.43 × 7,495.88
4. Step 4: Simplify right side
   12,800.97x = 132,417,817.62
5. Step 5: Solve for x
   x = 132,417,817.62/12,800.97
6. Step 6: Final answer
   x = 10,344.36