Finding the Fourth Proportional to 5,856.88, 8,779.18 and 3,635.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,856.88 : 8,779.18 = 3,635.72 : x
2. Step 2: Convert to fraction form
   5,856.88/8,779.18 = 3,635.72/x
3. Step 3: Cross multiply
   5,856.88x = 8,779.18 × 3,635.72
4. Step 4: Simplify right side
   5,856.88x = 31,918,640.31
5. Step 5: Solve for x
   x = 31,918,640.31/5,856.88
6. Step 6: Final answer
   x = 5,449.77