Finding the Fourth Proportional to 10,404.12, 14,357.16 and 5,688.36

Step by Step Solution

1. Step 1: Write the proportion equation
   10,404.12 : 14,357.16 = 5,688.36 : x
2. Step 2: Convert to fraction form
   10,404.12/14,357.16 = 5,688.36/x
3. Step 3: Cross multiply
   10,404.12x = 14,357.16 × 5,688.36
4. Step 4: Simplify right side
   10,404.12x = 81,668,694.66
5. Step 5: Solve for x
   x = 81,668,694.66/10,404.12
6. Step 6: Final answer
   x = 7,849.65