Finding the Fourth Proportional to 3,663.06, 5,488.29 and 3,498.54

Step by Step Solution

1. Step 1: Write the proportion equation
   3,663.06 : 5,488.29 = 3,498.54 : x
2. Step 2: Convert to fraction form
   3,663.06/5,488.29 = 3,498.54/x
3. Step 3: Cross multiply
   3,663.06x = 5,488.29 × 3,498.54
4. Step 4: Simplify right side
   3,663.06x = 19,201,002.10
5. Step 5: Solve for x
   x = 19,201,002.10/3,663.06
6. Step 6: Final answer
   x = 5,241.79