Finding the Fourth Proportional to 6,189.42, 9,287.16 and 3,069.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,189.42 : 9,287.16 = 3,069.72 : x
2. Step 2: Convert to fraction form
   6,189.42/9,287.16 = 3,069.72/x
3. Step 3: Cross multiply
   6,189.42x = 9,287.16 × 3,069.72
4. Step 4: Simplify right side
   6,189.42x = 28,508,980.80
5. Step 5: Solve for x
   x = 28,508,980.80/6,189.42
6. Step 6: Final answer
   x = 4,606.08