Finding the Fourth Proportional to 9,378.07, 12,943.33 and 5,401.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,378.07 : 12,943.33 = 5,401.48 : x
2. Step 2: Convert to fraction form
   9,378.07/12,943.33 = 5,401.48/x
3. Step 3: Cross multiply
   9,378.07x = 12,943.33 × 5,401.48
4. Step 4: Simplify right side
   9,378.07x = 69,913,111.12
5. Step 5: Solve for x
   x = 69,913,111.12/9,378.07
6. Step 6: Final answer
   x = 7,454.96