Finding the Fourth Proportional to 9,393.74, 12,965.06 and 5,361.15

Step by Step Solution

1. Step 1: Write the proportion equation
   9,393.74 : 12,965.06 = 5,361.15 : x
2. Step 2: Convert to fraction form
   9,393.74/12,965.06 = 5,361.15/x
3. Step 3: Cross multiply
   9,393.74x = 12,965.06 × 5,361.15
4. Step 4: Simplify right side
   9,393.74x = 69,507,631.42
5. Step 5: Solve for x
   x = 69,507,631.42/9,393.74
6. Step 6: Final answer
   x = 7,399.36