Finding the Fourth Proportional to 13,074.71, 18,042.37 and 7,106.33

Step by Step Solution

1. Step 1: Write the proportion equation
   13,074.71 : 18,042.37 = 7,106.33 : x
2. Step 2: Convert to fraction form
   13,074.71/18,042.37 = 7,106.33/x
3. Step 3: Cross multiply
   13,074.71x = 18,042.37 × 7,106.33
4. Step 4: Simplify right side
   13,074.71x = 128,215,062.54
5. Step 5: Solve for x
   x = 128,215,062.54/13,074.71
6. Step 6: Final answer
   x = 9,806.34