Finding the Fourth Proportional to 9,148.10, 13,722.21 and 3,304.69

Step by Step Solution

1. Step 1: Write the proportion equation
   9,148.10 : 13,722.21 = 3,304.69 : x
2. Step 2: Convert to fraction form
   9,148.10/13,722.21 = 3,304.69/x
3. Step 3: Cross multiply
   9,148.10x = 13,722.21 × 3,304.69
4. Step 4: Simplify right side
   9,148.10x = 45,347,615.86
5. Step 5: Solve for x
   x = 45,347,615.86/9,148.10
6. Step 6: Final answer
   x = 4,957.06