Finding the Fourth Proportional to 8,725.71, 12,042.27 and 5,370.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,725.71 : 12,042.27 = 5,370.72 : x
2. Step 2: Convert to fraction form
   8,725.71/12,042.27 = 5,370.72/x
3. Step 3: Cross multiply
   8,725.71x = 12,042.27 × 5,370.72
4. Step 4: Simplify right side
   8,725.71x = 64,675,660.33
5. Step 5: Solve for x
   x = 64,675,660.33/8,725.71
6. Step 6: Final answer
   x = 7,412.08