Finding the Fourth Proportional to 8,758.52, 12,086.58 and 4,779.62

Step by Step Solution

1. Step 1: Write the proportion equation
   8,758.52 : 12,086.58 = 4,779.62 : x
2. Step 2: Convert to fraction form
   8,758.52/12,086.58 = 4,779.62/x
3. Step 3: Cross multiply
   8,758.52x = 12,086.58 × 4,779.62
4. Step 4: Simplify right side
   8,758.52x = 57,769,259.50
5. Step 5: Solve for x
   x = 57,769,259.50/8,758.52
6. Step 6: Final answer
   x = 6,595.78