Finding the Fourth Proportional to 5,456.52, 7,530.34 and 3,360.76

Step by Step Solution

1. Step 1: Write the proportion equation
   5,456.52 : 7,530.34 = 3,360.76 : x
2. Step 2: Convert to fraction form
   5,456.52/7,530.34 = 3,360.76/x
3. Step 3: Cross multiply
   5,456.52x = 7,530.34 × 3,360.76
4. Step 4: Simplify right side
   5,456.52x = 25,307,665.46
5. Step 5: Solve for x
   x = 25,307,665.46/5,456.52
6. Step 6: Final answer
   x = 4,638.06