Finding the Fourth Proportional to 9,393.57, 12,963.65 and 5,361.59

Step by Step Solution

1. Step 1: Write the proportion equation
   9,393.57 : 12,963.65 = 5,361.59 : x
2. Step 2: Convert to fraction form
   9,393.57/12,963.65 = 5,361.59/x
3. Step 3: Cross multiply
   9,393.57x = 12,963.65 × 5,361.59
4. Step 4: Simplify right side
   9,393.57x = 69,505,781.80
5. Step 5: Solve for x
   x = 69,505,781.80/9,393.57
6. Step 6: Final answer
   x = 7,399.29