Finding the Fourth Proportional to 8,819.46, 12,171.48 and 5,830.10

Step by Step Solution

1. Step 1: Write the proportion equation
   8,819.46 : 12,171.48 = 5,830.10 : x
2. Step 2: Convert to fraction form
   8,819.46/12,171.48 = 5,830.10/x
3. Step 3: Cross multiply
   8,819.46x = 12,171.48 × 5,830.10
4. Step 4: Simplify right side
   8,819.46x = 70,960,945.55
5. Step 5: Solve for x
   x = 70,960,945.55/8,819.46
6. Step 6: Final answer
   x = 8,045.95