Finding the Fourth Proportional to 8,488.01, 12,732.88 and 2,940.09

Step by Step Solution

1. Step 1: Write the proportion equation
   8,488.01 : 12,732.88 = 2,940.09 : x
2. Step 2: Convert to fraction form
   8,488.01/12,732.88 = 2,940.09/x
3. Step 3: Cross multiply
   8,488.01x = 12,732.88 × 2,940.09
4. Step 4: Simplify right side
   8,488.01x = 37,435,813.16
5. Step 5: Solve for x
   x = 37,435,813.16/8,488.01
6. Step 6: Final answer
   x = 4,410.43