Finding the Fourth Proportional to 6,078.83, 8,389.61 and 3,561.94

Step by Step Solution

1. Step 1: Write the proportion equation
   6,078.83 : 8,389.61 = 3,561.94 : x
2. Step 2: Convert to fraction form
   6,078.83/8,389.61 = 3,561.94/x
3. Step 3: Cross multiply
   6,078.83x = 8,389.61 × 3,561.94
4. Step 4: Simplify right side
   6,078.83x = 29,883,293.48
5. Step 5: Solve for x
   x = 29,883,293.48/6,078.83
6. Step 6: Final answer
   x = 4,915.97