Finding the Fourth Proportional to 10,404.35, 14,360.54 and 8,723.09

Step by Step Solution

1. Step 1: Write the proportion equation
   10,404.35 : 14,360.54 = 8,723.09 : x
2. Step 2: Convert to fraction form
   10,404.35/14,360.54 = 8,723.09/x
3. Step 3: Cross multiply
   10,404.35x = 14,360.54 × 8,723.09
4. Step 4: Simplify right side
   10,404.35x = 125,268,167.45
5. Step 5: Solve for x
   x = 125,268,167.45/10,404.35
6. Step 6: Final answer
   x = 12,039.99