Finding the Fourth Proportional to 13,073.56, 18,041.62 and 7,105.23

Step by Step Solution

1. Step 1: Write the proportion equation
   13,073.56 : 18,041.62 = 7,105.23 : x
2. Step 2: Convert to fraction form
   13,073.56/18,041.62 = 7,105.23/x
3. Step 3: Cross multiply
   13,073.56x = 18,041.62 × 7,105.23
4. Step 4: Simplify right side
   13,073.56x = 128,189,841.91
5. Step 5: Solve for x
   x = 128,189,841.91/13,073.56
6. Step 6: Final answer
   x = 9,805.28