Finding the Fourth Proportional to 9,394.38, 12,961.31 and 5,414.96

Step by Step Solution

1. Step 1: Write the proportion equation
   9,394.38 : 12,961.31 = 5,414.96 : x
2. Step 2: Convert to fraction form
   9,394.38/12,961.31 = 5,414.96/x
3. Step 3: Cross multiply
   9,394.38x = 12,961.31 × 5,414.96
4. Step 4: Simplify right side
   9,394.38x = 70,184,883.32
5. Step 5: Solve for x
   x = 70,184,883.32/9,394.38
6. Step 6: Final answer
   x = 7,470.94