Finding the Fourth Proportional to 10,843.28, 14,970.88 and 7,022.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,843.28 : 14,970.88 = 7,022.12 : x
2. Step 2: Convert to fraction form
   10,843.28/14,970.88 = 7,022.12/x
3. Step 3: Cross multiply
   10,843.28x = 14,970.88 × 7,022.12
4. Step 4: Simplify right side
   10,843.28x = 105,127,315.87
5. Step 5: Solve for x
   x = 105,127,315.87/10,843.28
6. Step 6: Final answer
   x = 9,695.16