Finding the Fourth Proportional to 5,856.64, 8,789.37 and 4,300.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,856.64 : 8,789.37 = 4,300.72 : x
2. Step 2: Convert to fraction form
   5,856.64/8,789.37 = 4,300.72/x
3. Step 3: Cross multiply
   5,856.64x = 8,789.37 × 4,300.72
4. Step 4: Simplify right side
   5,856.64x = 37,800,619.35
5. Step 5: Solve for x
   x = 37,800,619.35/5,856.64
6. Step 6: Final answer
   x = 6,454.32