Finding the Fourth Proportional to 3,982.72, 5,493.32 and 2,655.76

Step by Step Solution

1. Step 1: Write the proportion equation
   3,982.72 : 5,493.32 = 2,655.76 : x
2. Step 2: Convert to fraction form
   3,982.72/5,493.32 = 2,655.76/x
3. Step 3: Cross multiply
   3,982.72x = 5,493.32 × 2,655.76
4. Step 4: Simplify right side
   3,982.72x = 14,588,939.52
5. Step 5: Solve for x
   x = 14,588,939.52/3,982.72
6. Step 6: Final answer
   x = 3,663.06