Finding the Fourth Proportional to 9,379.28, 12,943.87 and 5,401.02

Step by Step Solution

1. Step 1: Write the proportion equation
   9,379.28 : 12,943.87 = 5,401.02 : x
2. Step 2: Convert to fraction form
   9,379.28/12,943.87 = 5,401.02/x
3. Step 3: Cross multiply
   9,379.28x = 12,943.87 × 5,401.02
4. Step 4: Simplify right side
   9,379.28x = 69,910,100.75
5. Step 5: Solve for x
   x = 69,910,100.75/9,379.28
6. Step 6: Final answer
   x = 7,453.67