Finding the Fourth Proportional to 3,564.08, 5,345.71 and 1,098.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,564.08 : 5,345.71 = 1,098.69 : x
2. Step 2: Convert to fraction form
   3,564.08/5,345.71 = 1,098.69/x
3. Step 3: Cross multiply
   3,564.08x = 5,345.71 × 1,098.69
4. Step 4: Simplify right side
   3,564.08x = 5,873,278.12
5. Step 5: Solve for x
   x = 5,873,278.12/3,564.08
6. Step 6: Final answer
   x = 1,647.91