Finding the Fourth Proportional to 5,672.12, 8,500.89 and 2,380.69

Step by Step Solution

1. Step 1: Write the proportion equation
   5,672.12 : 8,500.89 = 2,380.69 : x
2. Step 2: Convert to fraction form
   5,672.12/8,500.89 = 2,380.69/x
3. Step 3: Cross multiply
   5,672.12x = 8,500.89 × 2,380.69
4. Step 4: Simplify right side
   5,672.12x = 20,237,941.31
5. Step 5: Solve for x
   x = 20,237,941.31/5,672.12
6. Step 6: Final answer
   x = 3,567.97