Finding the Fourth Proportional to 3,561.09, 5,342.24 and 1,095.86

Step by Step Solution

1. Step 1: Write the proportion equation
   3,561.09 : 5,342.24 = 1,095.86 : x
2. Step 2: Convert to fraction form
   3,561.09/5,342.24 = 1,095.86/x
3. Step 3: Cross multiply
   3,561.09x = 5,342.24 × 1,095.86
4. Step 4: Simplify right side
   3,561.09x = 5,854,323.15
5. Step 5: Solve for x
   x = 5,854,323.15/3,561.09
6. Step 6: Final answer
   x = 1,643.97