Finding the Fourth Proportional to 8,488.01, 12,727.35 and 2,940.86

Step by Step Solution

1. Step 1: Write the proportion equation
   8,488.01 : 12,727.35 = 2,940.86 : x
2. Step 2: Convert to fraction form
   8,488.01/12,727.35 = 2,940.86/x
3. Step 3: Cross multiply
   8,488.01x = 12,727.35 × 2,940.86
4. Step 4: Simplify right side
   8,488.01x = 37,429,290.88
5. Step 5: Solve for x
   x = 37,429,290.88/8,488.01
6. Step 6: Final answer
   x = 4,409.67