Finding the Fourth Proportional to 9,351.39, 12,905.41 and 5,372.76

Step by Step Solution

1. Step 1: Write the proportion equation
   9,351.39 : 12,905.41 = 5,372.76 : x
2. Step 2: Convert to fraction form
   9,351.39/12,905.41 = 5,372.76/x
3. Step 3: Cross multiply
   9,351.39x = 12,905.41 × 5,372.76
4. Step 4: Simplify right side
   9,351.39x = 69,337,606.10
5. Step 5: Solve for x
   x = 69,337,606.10/9,351.39
6. Step 6: Final answer
   x = 7,414.69