Finding the Fourth Proportional to 12,800.37, 17,664.89 and 7,494.69

Step by Step Solution

1. Step 1: Write the proportion equation
   12,800.37 : 17,664.89 = 7,494.69 : x
2. Step 2: Convert to fraction form
   12,800.37/17,664.89 = 7,494.69/x
3. Step 3: Cross multiply
   12,800.37x = 17,664.89 × 7,494.69
4. Step 4: Simplify right side
   12,800.37x = 132,392,836.96
5. Step 5: Solve for x
   x = 132,392,836.96/12,800.37
6. Step 6: Final answer
   x = 10,342.89