Finding the Fourth Proportional to 8,543.74, 12,819.58 and 3,614.54

Step by Step Solution

1. Step 1: Write the proportion equation
   8,543.74 : 12,819.58 = 3,614.54 : x
2. Step 2: Convert to fraction form
   8,543.74/12,819.58 = 3,614.54/x
3. Step 3: Cross multiply
   8,543.74x = 12,819.58 × 3,614.54
4. Step 4: Simplify right side
   8,543.74x = 46,336,884.69
5. Step 5: Solve for x
   x = 46,336,884.69/8,543.74
6. Step 6: Final answer
   x = 5,423.49