Finding the Fourth Proportional to 9,722.16, 14,585.55 and 3,148.34

Step by Step Solution

1. Step 1: Write the proportion equation
   9,722.16 : 14,585.55 = 3,148.34 : x
2. Step 2: Convert to fraction form
   9,722.16/14,585.55 = 3,148.34/x
3. Step 3: Cross multiply
   9,722.16x = 14,585.55 × 3,148.34
4. Step 4: Simplify right side
   9,722.16x = 45,920,270.49
5. Step 5: Solve for x
   x = 45,920,270.49/9,722.16
6. Step 6: Final answer
   x = 4,723.26