Finding the Fourth Proportional to 8,405.57, 12,606.94 and 2,401.22

Step by Step Solution

1. Step 1: Write the proportion equation
   8,405.57 : 12,606.94 = 2,401.22 : x
2. Step 2: Convert to fraction form
   8,405.57/12,606.94 = 2,401.22/x
3. Step 3: Cross multiply
   8,405.57x = 12,606.94 × 2,401.22
4. Step 4: Simplify right side
   8,405.57x = 30,272,036.47
5. Step 5: Solve for x
   x = 30,272,036.47/8,405.57
6. Step 6: Final answer
   x = 3,601.43