Finding the Fourth Proportional to 9,377.43, 12,943.64 and 5,401.35

Step by Step Solution

1. Step 1: Write the proportion equation
   9,377.43 : 12,943.64 = 5,401.35 : x
2. Step 2: Convert to fraction form
   9,377.43/12,943.64 = 5,401.35/x
3. Step 3: Cross multiply
   9,377.43x = 12,943.64 × 5,401.35
4. Step 4: Simplify right side
   9,377.43x = 69,913,129.91
5. Step 5: Solve for x
   x = 69,913,129.91/9,377.43
6. Step 6: Final answer
   x = 7,455.47