Finding the Fourth Proportional to 13,426.43, 18,529.56 and 7,459.83

Step by Step Solution

1. Step 1: Write the proportion equation
   13,426.43 : 18,529.56 = 7,459.83 : x
2. Step 2: Convert to fraction form
   13,426.43/18,529.56 = 7,459.83/x
3. Step 3: Cross multiply
   13,426.43x = 18,529.56 × 7,459.83
4. Step 4: Simplify right side
   13,426.43x = 138,227,367.57
5. Step 5: Solve for x
   x = 138,227,367.57/13,426.43
6. Step 6: Final answer
   x = 10,295.17