Finding the Fourth Proportional to 6,261.22, 9,406.42 and 3,665.98

Step by Step Solution

1. Step 1: Write the proportion equation
   6,261.22 : 9,406.42 = 3,665.98 : x
2. Step 2: Convert to fraction form
   6,261.22/9,406.42 = 3,665.98/x
3. Step 3: Cross multiply
   6,261.22x = 9,406.42 × 3,665.98
4. Step 4: Simplify right side
   6,261.22x = 34,483,747.59
5. Step 5: Solve for x
   x = 34,483,747.59/6,261.22
6. Step 6: Final answer
   x = 5,507.51