Finding the Fourth Proportional to 8,508.69, 12,758.18 and 4,555.08

Step by Step Solution

1. Step 1: Write the proportion equation
   8,508.69 : 12,758.18 = 4,555.08 : x
2. Step 2: Convert to fraction form
   8,508.69/12,758.18 = 4,555.08/x
3. Step 3: Cross multiply
   8,508.69x = 12,758.18 × 4,555.08
4. Step 4: Simplify right side
   8,508.69x = 58,114,507.78
5. Step 5: Solve for x
   x = 58,114,507.78/8,508.69
6. Step 6: Final answer
   x = 6,830.02