Finding the Fourth Proportional to 10,389.29, 14,337.52 and 5,673.88

Step by Step Solution

1. Step 1: Write the proportion equation
   10,389.29 : 14,337.52 = 5,673.88 : x
2. Step 2: Convert to fraction form
   10,389.29/14,337.52 = 5,673.88/x
3. Step 3: Cross multiply
   10,389.29x = 14,337.52 × 5,673.88
4. Step 4: Simplify right side
   10,389.29x = 81,349,367.98
5. Step 5: Solve for x
   x = 81,349,367.98/10,389.29
6. Step 6: Final answer
   x = 7,830.12