Finding the Fourth Proportional to 10,403.44, 14,356.74 and 5,687.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,403.44 : 14,356.74 = 5,687.72 : x
2. Step 2: Convert to fraction form
   10,403.44/14,356.74 = 5,687.72/x
3. Step 3: Cross multiply
   10,403.44x = 14,356.74 × 5,687.72
4. Step 4: Simplify right side
   10,403.44x = 81,657,120.62
5. Step 5: Solve for x
   x = 81,657,120.62/10,403.44
6. Step 6: Final answer
   x = 7,849.05