Finding the Fourth Proportional to 9,380.56, 12,942.03 and 5,401.59

Step by Step Solution

1. Step 1: Write the proportion equation
   9,380.56 : 12,942.03 = 5,401.59 : x
2. Step 2: Convert to fraction form
   9,380.56/12,942.03 = 5,401.59/x
3. Step 3: Cross multiply
   9,380.56x = 12,942.03 × 5,401.59
4. Step 4: Simplify right side
   9,380.56x = 69,907,481.17
5. Step 5: Solve for x
   x = 69,907,481.17/9,380.56
6. Step 6: Final answer
   x = 7,452.38