Finding the Fourth Proportional to 8,758.35, 12,086.37 and 4,779.45

Step by Step Solution

1. Step 1: Write the proportion equation
   8,758.35 : 12,086.37 = 4,779.45 : x
2. Step 2: Convert to fraction form
   8,758.35/12,086.37 = 4,779.45/x
3. Step 3: Cross multiply
   8,758.35x = 12,086.37 × 4,779.45
4. Step 4: Simplify right side
   8,758.35x = 57,766,201.10
5. Step 5: Solve for x
   x = 57,766,201.10/8,758.35
6. Step 6: Final answer
   x = 6,595.56