Finding the Fourth Proportional to 6,564.88, 9,848.52 and 3,964.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,564.88 : 9,848.52 = 3,964.72 : x
2. Step 2: Convert to fraction form
   6,564.88/9,848.52 = 3,964.72/x
3. Step 3: Cross multiply
   6,564.88x = 9,848.52 × 3,964.72
4. Step 4: Simplify right side
   6,564.88x = 39,046,624.21
5. Step 5: Solve for x
   x = 39,046,624.21/6,564.88
6. Step 6: Final answer
   x = 5,947.80