Finding the Fourth Proportional to 9,391.39, 12,963.37 and 5,414.08

Step by Step Solution

1. Step 1: Write the proportion equation
   9,391.39 : 12,963.37 = 5,414.08 : x
2. Step 2: Convert to fraction form
   9,391.39/12,963.37 = 5,414.08/x
3. Step 3: Cross multiply
   9,391.39x = 12,963.37 × 5,414.08
4. Step 4: Simplify right side
   9,391.39x = 70,184,722.25
5. Step 5: Solve for x
   x = 70,184,722.25/9,391.39
6. Step 6: Final answer
   x = 7,473.31