Finding the Fourth Proportional to 6,919.72, 9,554.16 and 4,270.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,919.72 : 9,554.16 = 4,270.72 : x
2. Step 2: Convert to fraction form
   6,919.72/9,554.16 = 4,270.72/x
3. Step 3: Cross multiply
   6,919.72x = 9,554.16 × 4,270.72
4. Step 4: Simplify right side
   6,919.72x = 40,803,142.20
5. Step 5: Solve for x
   x = 40,803,142.20/6,919.72
6. Step 6: Final answer
   x = 5,896.65