Finding the Fourth Proportional to 13,073.39, 18,041.05 and 7,105.08

Step by Step Solution

1. Step 1: Write the proportion equation
   13,073.39 : 18,041.05 = 7,105.08 : x
2. Step 2: Convert to fraction form
   13,073.39/18,041.05 = 7,105.08/x
3. Step 3: Cross multiply
   13,073.39x = 18,041.05 × 7,105.08
4. Step 4: Simplify right side
   13,073.39x = 128,183,085.77
5. Step 5: Solve for x
   x = 128,183,085.77/13,073.39
6. Step 6: Final answer
   x = 9,804.88