Finding the Fourth Proportional to 9,682.47, 13,361.81 and 5,490.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,682.47 : 13,361.81 = 5,490.72 : x
2. Step 2: Convert to fraction form
   9,682.47/13,361.81 = 5,490.72/x
3. Step 3: Cross multiply
   9,682.47x = 13,361.81 × 5,490.72
4. Step 4: Simplify right side
   9,682.47x = 73,365,943.68
5. Step 5: Solve for x
   x = 73,365,943.68/9,682.47
6. Step 6: Final answer
   x = 7,577.19