Finding the Fourth Proportional to 10,821.28, 14,923.98 and 7,043.04

Step by Step Solution

1. Step 1: Write the proportion equation
   10,821.28 : 14,923.98 = 7,043.04 : x
2. Step 2: Convert to fraction form
   10,821.28/14,923.98 = 7,043.04/x
3. Step 3: Cross multiply
   10,821.28x = 14,923.98 × 7,043.04
4. Step 4: Simplify right side
   10,821.28x = 105,110,188.10
5. Step 5: Solve for x
   x = 105,110,188.10/10,821.28
6. Step 6: Final answer
   x = 9,713.29