Finding the Fourth Proportional to 10,984.43, 15,165.50 and 7,214.29

Step by Step Solution

1. Step 1: Write the proportion equation
   10,984.43 : 15,165.50 = 7,214.29 : x
2. Step 2: Convert to fraction form
   10,984.43/15,165.50 = 7,214.29/x
3. Step 3: Cross multiply
   10,984.43x = 15,165.50 × 7,214.29
4. Step 4: Simplify right side
   10,984.43x = 109,408,315.00
5. Step 5: Solve for x
   x = 109,408,315.00/10,984.43
6. Step 6: Final answer
   x = 9,960.31