Finding the Fourth Proportional to 9,142.81, 13,714.10 and 2,217.37

Step by Step Solution

1. Step 1: Write the proportion equation
   9,142.81 : 13,714.10 = 2,217.37 : x
2. Step 2: Convert to fraction form
   9,142.81/13,714.10 = 2,217.37/x
3. Step 3: Cross multiply
   9,142.81x = 13,714.10 × 2,217.37
4. Step 4: Simplify right side
   9,142.81x = 30,409,222.83
5. Step 5: Solve for x
   x = 30,409,222.83/9,142.81
6. Step 6: Final answer
   x = 3,326.03