Finding the Fourth Proportional to 9,404.70, 12,970.18 and 5,819.08

Step by Step Solution

1. Step 1: Write the proportion equation
   9,404.70 : 12,970.18 = 5,819.08 : x
2. Step 2: Convert to fraction form
   9,404.70/12,970.18 = 5,819.08/x
3. Step 3: Cross multiply
   9,404.70x = 12,970.18 × 5,819.08
4. Step 4: Simplify right side
   9,404.70x = 75,474,515.03
5. Step 5: Solve for x
   x = 75,474,515.03/9,404.70
6. Step 6: Final answer
   x = 8,025.19