Finding the Fourth Proportional to 6,890.91, 9,509.52 and 3,747.16

Step by Step Solution

1. Step 1: Write the proportion equation
   6,890.91 : 9,509.52 = 3,747.16 : x
2. Step 2: Convert to fraction form
   6,890.91/9,509.52 = 3,747.16/x
3. Step 3: Cross multiply
   6,890.91x = 9,509.52 × 3,747.16
4. Step 4: Simplify right side
   6,890.91x = 35,633,697.82
5. Step 5: Solve for x
   x = 35,633,697.82/6,890.91
6. Step 6: Final answer
   x = 5,171.12