Finding the Fourth Proportional to 8,271.83, 12,405.72 and 3,340.01

Step by Step Solution

1. Step 1: Write the proportion equation
   8,271.83 : 12,405.72 = 3,340.01 : x
2. Step 2: Convert to fraction form
   8,271.83/12,405.72 = 3,340.01/x
3. Step 3: Cross multiply
   8,271.83x = 12,405.72 × 3,340.01
4. Step 4: Simplify right side
   8,271.83x = 41,435,228.86
5. Step 5: Solve for x
   x = 41,435,228.86/8,271.83
6. Step 6: Final answer
   x = 5,009.20