Finding the Fourth Proportional to 10,389.48, 14,337.56 and 5,673.87

Step by Step Solution

1. Step 1: Write the proportion equation
   10,389.48 : 14,337.56 = 5,673.87 : x
2. Step 2: Convert to fraction form
   10,389.48/14,337.56 = 5,673.87/x
3. Step 3: Cross multiply
   10,389.48x = 14,337.56 × 5,673.87
4. Step 4: Simplify right side
   10,389.48x = 81,349,451.56
5. Step 5: Solve for x
   x = 81,349,451.56/10,389.48
6. Step 6: Final answer
   x = 7,829.98