Finding the Fourth Proportional to 5,668.90, 8,499.72 and 2,380.30

Step by Step Solution

1. Step 1: Write the proportion equation
   5,668.90 : 8,499.72 = 2,380.30 : x
2. Step 2: Convert to fraction form
   5,668.90/8,499.72 = 2,380.30/x
3. Step 3: Cross multiply
   5,668.90x = 8,499.72 × 2,380.30
4. Step 4: Simplify right side
   5,668.90x = 20,231,883.52
5. Step 5: Solve for x
   x = 20,231,883.52/5,668.90
6. Step 6: Final answer
   x = 3,568.93