Finding the Fourth Proportional to 3,669.13, 5,498.47 and 1,818.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,669.13 : 5,498.47 = 1,818.42 : x
2. Step 2: Convert to fraction form
   3,669.13/5,498.47 = 1,818.42/x
3. Step 3: Cross multiply
   3,669.13x = 5,498.47 × 1,818.42
4. Step 4: Simplify right side
   3,669.13x = 9,998,527.82
5. Step 5: Solve for x
   x = 9,998,527.82/3,669.13
6. Step 6: Final answer
   x = 2,725.04