Finding the Fourth Proportional to 8,758.56, 12,085.98 and 4,779.58

Step by Step Solution

1. Step 1: Write the proportion equation
   8,758.56 : 12,085.98 = 4,779.58 : x
2. Step 2: Convert to fraction form
   8,758.56/12,085.98 = 4,779.58/x
3. Step 3: Cross multiply
   8,758.56x = 12,085.98 × 4,779.58
4. Step 4: Simplify right side
   8,758.56x = 57,765,908.29
5. Step 5: Solve for x
   x = 57,765,908.29/8,758.56
6. Step 6: Final answer
   x = 6,595.37