Finding the Fourth Proportional to 7,443.92, 11,168.76 and 3,548.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,443.92 : 11,168.76 = 3,548.72 : x
2. Step 2: Convert to fraction form
   7,443.92/11,168.76 = 3,548.72/x
3. Step 3: Cross multiply
   7,443.92x = 11,168.76 × 3,548.72
4. Step 4: Simplify right side
   7,443.92x = 39,634,801.99
5. Step 5: Solve for x
   x = 39,634,801.99/7,443.92
6. Step 6: Final answer
   x = 5,324.45