Finding the Fourth Proportional to 11,747.93, 17,620.18 and 3,425.71

Step by Step Solution

1. Step 1: Write the proportion equation
   11,747.93 : 17,620.18 = 3,425.71 : x
2. Step 2: Convert to fraction form
   11,747.93/17,620.18 = 3,425.71/x
3. Step 3: Cross multiply
   11,747.93x = 17,620.18 × 3,425.71
4. Step 4: Simplify right side
   11,747.93x = 60,361,626.83
5. Step 5: Solve for x
   x = 60,361,626.83/11,747.93
6. Step 6: Final answer
   x = 5,138.06