Finding the Fourth Proportional to 9,379.59, 12,943.49 and 5,401.27

Step by Step Solution

1. Step 1: Write the proportion equation
   9,379.59 : 12,943.49 = 5,401.27 : x
2. Step 2: Convert to fraction form
   9,379.59/12,943.49 = 5,401.27/x
3. Step 3: Cross multiply
   9,379.59x = 12,943.49 × 5,401.27
4. Step 4: Simplify right side
   9,379.59x = 69,911,284.23
5. Step 5: Solve for x
   x = 69,911,284.23/9,379.59
6. Step 6: Final answer
   x = 7,453.55