Finding the Fourth Proportional to 6,443.52, 9,641.76 and 5,507.16

Step by Step Solution

1. Step 1: Write the proportion equation
   6,443.52 : 9,641.76 = 5,507.16 : x
2. Step 2: Convert to fraction form
   6,443.52/9,641.76 = 5,507.16/x
3. Step 3: Cross multiply
   6,443.52x = 9,641.76 × 5,507.16
4. Step 4: Simplify right side
   6,443.52x = 53,098,715.00
5. Step 5: Solve for x
   x = 53,098,715.00/6,443.52
6. Step 6: Final answer
   x = 8,240.64