Finding the Fourth Proportional to 13,074.27, 18,042.52 and 7,105.93

Step by Step Solution

1. Step 1: Write the proportion equation
   13,074.27 : 18,042.52 = 7,105.93 : x
2. Step 2: Convert to fraction form
   13,074.27/18,042.52 = 7,105.93/x
3. Step 3: Cross multiply
   13,074.27x = 18,042.52 × 7,105.93
4. Step 4: Simplify right side
   13,074.27x = 128,208,854.58
5. Step 5: Solve for x
   x = 128,208,854.58/13,074.27
6. Step 6: Final answer
   x = 9,806.19