Finding the Fourth Proportional to 8,758.50, 12,086.61 and 4,779.54

Step by Step Solution

1. Step 1: Write the proportion equation
   8,758.50 : 12,086.61 = 4,779.54 : x
2. Step 2: Convert to fraction form
   8,758.50/12,086.61 = 4,779.54/x
3. Step 3: Cross multiply
   8,758.50x = 12,086.61 × 4,779.54
4. Step 4: Simplify right side
   8,758.50x = 57,768,435.96
5. Step 5: Solve for x
   x = 57,768,435.96/8,758.50
6. Step 6: Final answer
   x = 6,595.70