Finding the Fourth Proportional to 6,475.52, 9,698.24 and 3,872.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,475.52 : 9,698.24 = 3,872.72 : x
2. Step 2: Convert to fraction form
   6,475.52/9,698.24 = 3,872.72/x
3. Step 3: Cross multiply
   6,475.52x = 9,698.24 × 3,872.72
4. Step 4: Simplify right side
   6,475.52x = 37,558,568.01
5. Step 5: Solve for x
   x = 37,558,568.01/6,475.52
6. Step 6: Final answer
   x = 5,800.09