Finding the Fourth Proportional to 10,388.99, 14,337.05 and 5,673.30

Step by Step Solution

1. Step 1: Write the proportion equation
   10,388.99 : 14,337.05 = 5,673.30 : x
2. Step 2: Convert to fraction form
   10,388.99/14,337.05 = 5,673.30/x
3. Step 3: Cross multiply
   10,388.99x = 14,337.05 × 5,673.30
4. Step 4: Simplify right side
   10,388.99x = 81,338,357.40
5. Step 5: Solve for x
   x = 81,338,357.40/10,388.99
6. Step 6: Final answer
   x = 7,829.29