Finding the Fourth Proportional to 10,389.33, 14,337.20 and 5,673.61

Step by Step Solution

1. Step 1: Write the proportion equation
   10,389.33 : 14,337.20 = 5,673.61 : x
2. Step 2: Convert to fraction form
   10,389.33/14,337.20 = 5,673.61/x
3. Step 3: Cross multiply
   10,389.33x = 14,337.20 × 5,673.61
4. Step 4: Simplify right side
   10,389.33x = 81,343,713.40
5. Step 5: Solve for x
   x = 81,343,713.40/10,389.33
6. Step 6: Final answer
   x = 7,829.54