Finding the Fourth Proportional to 5,371.54, 7,410.72 and 4,111.30

Step by Step Solution

1. Step 1: Write the proportion equation
   5,371.54 : 7,410.72 = 4,111.30 : x
2. Step 2: Convert to fraction form
   5,371.54/7,410.72 = 4,111.30/x
3. Step 3: Cross multiply
   5,371.54x = 7,410.72 × 4,111.30
4. Step 4: Simplify right side
   5,371.54x = 30,467,693.14
5. Step 5: Solve for x
   x = 30,467,693.14/5,371.54
6. Step 6: Final answer
   x = 5,672.06