Finding the Fourth Proportional to 10,403.56, 14,356.91 and 5,687.84

Step by Step Solution

1. Step 1: Write the proportion equation
   10,403.56 : 14,356.91 = 5,687.84 : x
2. Step 2: Convert to fraction form
   10,403.56/14,356.91 = 5,687.84/x
3. Step 3: Cross multiply
   10,403.56x = 14,356.91 × 5,687.84
4. Step 4: Simplify right side
   10,403.56x = 81,659,756.86
5. Step 5: Solve for x
   x = 81,659,756.86/10,403.56
6. Step 6: Final answer
   x = 7,849.22