Finding the Fourth Proportional to 6,643.02, 9,166.56 and 3,810.98

Step by Step Solution

1. Step 1: Write the proportion equation
   6,643.02 : 9,166.56 = 3,810.98 : x
2. Step 2: Convert to fraction form
   6,643.02/9,166.56 = 3,810.98/x
3. Step 3: Cross multiply
   6,643.02x = 9,166.56 × 3,810.98
4. Step 4: Simplify right side
   6,643.02x = 34,933,576.83
5. Step 5: Solve for x
   x = 34,933,576.83/6,643.02
6. Step 6: Final answer
   x = 5,258.69