Finding the Fourth Proportional to 9,819.16, 14,723.91 and 3,491.91

Step by Step Solution

1. Step 1: Write the proportion equation
   9,819.16 : 14,723.91 = 3,491.91 : x
2. Step 2: Convert to fraction form
   9,819.16/14,723.91 = 3,491.91/x
3. Step 3: Cross multiply
   9,819.16x = 14,723.91 × 3,491.91
4. Step 4: Simplify right side
   9,819.16x = 51,414,568.57
5. Step 5: Solve for x
   x = 51,414,568.57/9,819.16
6. Step 6: Final answer
   x = 5,236.15