Finding the Fourth Proportional to 10,404.12, 14,357.28 and 5,688.48

Step by Step Solution

1. Step 1: Write the proportion equation
   10,404.12 : 14,357.28 = 5,688.48 : x
2. Step 2: Convert to fraction form
   10,404.12/14,357.28 = 5,688.48/x
3. Step 3: Cross multiply
   10,404.12x = 14,357.28 × 5,688.48
4. Step 4: Simplify right side
   10,404.12x = 81,671,100.13
5. Step 5: Solve for x
   x = 81,671,100.13/10,404.12
6. Step 6: Final answer
   x = 7,849.88