Finding the Fourth Proportional to 12,800.62, 17,665.23 and 7,494.94

Step by Step Solution

1. Step 1: Write the proportion equation
   12,800.62 : 17,665.23 = 7,494.94 : x
2. Step 2: Convert to fraction form
   12,800.62/17,665.23 = 7,494.94/x
3. Step 3: Cross multiply
   12,800.62x = 17,665.23 × 7,494.94
4. Step 4: Simplify right side
   12,800.62x = 132,399,838.94
5. Step 5: Solve for x
   x = 132,399,838.94/12,800.62
6. Step 6: Final answer
   x = 10,343.24