Finding the Fourth Proportional to 10,389.03, 14,323.41 and 7,029.42

Step by Step Solution

1. Step 1: Write the proportion equation
   10,389.03 : 14,323.41 = 7,029.42 : x
2. Step 2: Convert to fraction form
   10,389.03/14,323.41 = 7,029.42/x
3. Step 3: Cross multiply
   10,389.03x = 14,323.41 × 7,029.42
4. Step 4: Simplify right side
   10,389.03x = 100,685,264.72
5. Step 5: Solve for x
   x = 100,685,264.72/10,389.03
6. Step 6: Final answer
   x = 9,691.50