Finding the Fourth Proportional to 13,022.28, 17,970.62 and 7,053.59

Step by Step Solution

1. Step 1: Write the proportion equation
   13,022.28 : 17,970.62 = 7,053.59 : x
2. Step 2: Convert to fraction form
   13,022.28/17,970.62 = 7,053.59/x
3. Step 3: Cross multiply
   13,022.28x = 17,970.62 × 7,053.59
4. Step 4: Simplify right side
   13,022.28x = 126,757,395.18
5. Step 5: Solve for x
   x = 126,757,395.18/13,022.28
6. Step 6: Final answer
   x = 9,733.89