Finding the Fourth Proportional to 13,074.39, 18,042.98 and 7,106.38

Step by Step Solution

1. Step 1: Write the proportion equation
   13,074.39 : 18,042.98 = 7,106.38 : x
2. Step 2: Convert to fraction form
   13,074.39/18,042.98 = 7,106.38/x
3. Step 3: Cross multiply
   13,074.39x = 18,042.98 × 7,106.38
4. Step 4: Simplify right side
   13,074.39x = 128,220,313.05
5. Step 5: Solve for x
   x = 128,220,313.05/13,074.39
6. Step 6: Final answer
   x = 9,806.98