Finding the Fourth Proportional to 10,403.51, 14,357.05 and 5,688.09

Step by Step Solution

1. Step 1: Write the proportion equation
   10,403.51 : 14,357.05 = 5,688.09 : x
2. Step 2: Convert to fraction form
   10,403.51/14,357.05 = 5,688.09/x
3. Step 3: Cross multiply
   10,403.51x = 14,357.05 × 5,688.09
4. Step 4: Simplify right side
   10,403.51x = 81,664,178.31
5. Step 5: Solve for x
   x = 81,664,178.31/10,403.51
6. Step 6: Final answer
   x = 7,849.68