Finding the Fourth Proportional to 8,506.76, 12,760.18 and 2,583.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,506.76 : 12,760.18 = 2,583.72 : x
2. Step 2: Convert to fraction form
   8,506.76/12,760.18 = 2,583.72/x
3. Step 3: Cross multiply
   8,506.76x = 12,760.18 × 2,583.72
4. Step 4: Simplify right side
   8,506.76x = 32,968,732.27
5. Step 5: Solve for x
   x = 32,968,732.27/8,506.76
6. Step 6: Final answer
   x = 3,875.59