Finding the Fourth Proportional to 5,601.83, 8,404.56 and 1,906.40

Step by Step Solution

1. Step 1: Write the proportion equation
   5,601.83 : 8,404.56 = 1,906.40 : x
2. Step 2: Convert to fraction form
   5,601.83/8,404.56 = 1,906.40/x
3. Step 3: Cross multiply
   5,601.83x = 8,404.56 × 1,906.40
4. Step 4: Simplify right side
   5,601.83x = 16,022,474.20
5. Step 5: Solve for x
   x = 16,022,474.20/5,601.83
6. Step 6: Final answer
   x = 2,860.22