Finding the Fourth Proportional to 8,507.69, 12,758.69 and 3,576.41

Step by Step Solution

1. Step 1: Write the proportion equation
   8,507.69 : 12,758.69 = 3,576.41 : x
2. Step 2: Convert to fraction form
   8,507.69/12,758.69 = 3,576.41/x
3. Step 3: Cross multiply
   8,507.69x = 12,758.69 × 3,576.41
4. Step 4: Simplify right side
   8,507.69x = 45,630,224.83
5. Step 5: Solve for x
   x = 45,630,224.83/8,507.69
6. Step 6: Final answer
   x = 5,363.41