Finding the Fourth Proportional to 9,723.21, 14,581.78 and 3,148.04

Step by Step Solution

1. Step 1: Write the proportion equation
   9,723.21 : 14,581.78 = 3,148.04 : x
2. Step 2: Convert to fraction form
   9,723.21/14,581.78 = 3,148.04/x
3. Step 3: Cross multiply
   9,723.21x = 14,581.78 × 3,148.04
4. Step 4: Simplify right side
   9,723.21x = 45,904,026.71
5. Step 5: Solve for x
   x = 45,904,026.71/9,723.21
6. Step 6: Final answer
   x = 4,721.08