Finding the Fourth Proportional to 8,758.58, 12,086.73 and 4,779.63

Step by Step Solution

1. Step 1: Write the proportion equation
   8,758.58 : 12,086.73 = 4,779.63 : x
2. Step 2: Convert to fraction form
   8,758.58/12,086.73 = 4,779.63/x
3. Step 3: Cross multiply
   8,758.58x = 12,086.73 × 4,779.63
4. Step 4: Simplify right side
   8,758.58x = 57,770,097.31
5. Step 5: Solve for x
   x = 57,770,097.31/8,758.58
6. Step 6: Final answer
   x = 6,595.83