Finding the Fourth Proportional to 9,401.43, 12,974.34 and 5,368.92

Step by Step Solution

1. Step 1: Write the proportion equation
   9,401.43 : 12,974.34 = 5,368.92 : x
2. Step 2: Convert to fraction form
   9,401.43/12,974.34 = 5,368.92/x
3. Step 3: Cross multiply
   9,401.43x = 12,974.34 × 5,368.92
4. Step 4: Simplify right side
   9,401.43x = 69,658,171.28
5. Step 5: Solve for x
   x = 69,658,171.28/9,401.43
6. Step 6: Final answer
   x = 7,409.31