Finding the Fourth Proportional to 5,789.79, 8,684.56 and 1,407.27

Step by Step Solution

1. Step 1: Write the proportion equation
   5,789.79 : 8,684.56 = 1,407.27 : x
2. Step 2: Convert to fraction form
   5,789.79/8,684.56 = 1,407.27/x
3. Step 3: Cross multiply
   5,789.79x = 8,684.56 × 1,407.27
4. Step 4: Simplify right side
   5,789.79x = 12,221,520.75
5. Step 5: Solve for x
   x = 12,221,520.75/5,789.79
6. Step 6: Final answer
   x = 2,110.87