Finding the Fourth Proportional to 10,403.80, 14,357.22 and 5,688.07

Step by Step Solution

1. Step 1: Write the proportion equation
   10,403.80 : 14,357.22 = 5,688.07 : x
2. Step 2: Convert to fraction form
   10,403.80/14,357.22 = 5,688.07/x
3. Step 3: Cross multiply
   10,403.80x = 14,357.22 × 5,688.07
4. Step 4: Simplify right side
   10,403.80x = 81,664,872.37
5. Step 5: Solve for x
   x = 81,664,872.37/10,403.80
6. Step 6: Final answer
   x = 7,849.52