Finding the Fourth Proportional to 10,418.94, 15,620.61 and 3,843.90

Step by Step Solution

1. Step 1: Write the proportion equation
   10,418.94 : 15,620.61 = 3,843.90 : x
2. Step 2: Convert to fraction form
   10,418.94/15,620.61 = 3,843.90/x
3. Step 3: Cross multiply
   10,418.94x = 15,620.61 × 3,843.90
4. Step 4: Simplify right side
   10,418.94x = 60,044,062.78
5. Step 5: Solve for x
   x = 60,044,062.78/10,418.94
6. Step 6: Final answer
   x = 5,762.97