Finding the Fourth Proportional to 12,568.99, 17,343.27 and 7,262.78

Step by Step Solution

1. Step 1: Write the proportion equation
   12,568.99 : 17,343.27 = 7,262.78 : x
2. Step 2: Convert to fraction form
   12,568.99/17,343.27 = 7,262.78/x
3. Step 3: Cross multiply
   12,568.99x = 17,343.27 × 7,262.78
4. Step 4: Simplify right side
   12,568.99x = 125,960,267.77
5. Step 5: Solve for x
   x = 125,960,267.77/12,568.99
6. Step 6: Final answer
   x = 10,021.51