Finding the Fourth Proportional to 9,609.71, 13,261.41 and 5,361.05

Step by Step Solution

1. Step 1: Write the proportion equation
   9,609.71 : 13,261.41 = 5,361.05 : x
2. Step 2: Convert to fraction form
   9,609.71/13,261.41 = 5,361.05/x
3. Step 3: Cross multiply
   9,609.71x = 13,261.41 × 5,361.05
4. Step 4: Simplify right side
   9,609.71x = 71,095,015.77
5. Step 5: Solve for x
   x = 71,095,015.77/9,609.71
6. Step 6: Final answer
   x = 7,398.25