Finding the Fourth Proportional to 10,926, 16,387.61 and 3,529.69

Step by Step Solution

1. Step 1: Write the proportion equation
   10,926 : 16,387.61 = 3,529.69 : x
2. Step 2: Convert to fraction form
   10,926/16,387.61 = 3,529.69/x
3. Step 3: Cross multiply
   10,926x = 16,387.61 × 3,529.69
4. Step 4: Simplify right side
   10,926x = 57,843,165.49
5. Step 5: Solve for x
   x = 57,843,165.49/10,926
6. Step 6: Final answer
   x = 5,294.08