Finding the Fourth Proportional to 13,073.67, 18,041.61 and 7,105.29

Step by Step Solution

1. Step 1: Write the proportion equation
   13,073.67 : 18,041.61 = 7,105.29 : x
2. Step 2: Convert to fraction form
   13,073.67/18,041.61 = 7,105.29/x
3. Step 3: Cross multiply
   13,073.67x = 18,041.61 × 7,105.29
4. Step 4: Simplify right side
   13,073.67x = 128,190,830.11
5. Step 5: Solve for x
   x = 128,190,830.11/13,073.67
6. Step 6: Final answer
   x = 9,805.27