Finding the Fourth Proportional to 9,380.43, 12,946.22 and 5,401.71

Step by Step Solution

1. Step 1: Write the proportion equation
   9,380.43 : 12,946.22 = 5,401.71 : x
2. Step 2: Convert to fraction form
   9,380.43/12,946.22 = 5,401.71/x
3. Step 3: Cross multiply
   9,380.43x = 12,946.22 × 5,401.71
4. Step 4: Simplify right side
   9,380.43x = 69,931,699.03
5. Step 5: Solve for x
   x = 69,931,699.03/9,380.43
6. Step 6: Final answer
   x = 7,455.06