Finding the Fourth Proportional to 1,095.03, 1,641.12 and 573.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,095.03 : 1,641.12 = 573.71 : x
2. Step 2: Convert to fraction form
   1,095.03/1,641.12 = 573.71/x
3. Step 3: Cross multiply
   1,095.03x = 1,641.12 × 573.71
4. Step 4: Simplify right side
   1,095.03x = 941,524.90
5. Step 5: Solve for x
   x = 941,524.90/1,095.03
6. Step 6: Final answer
   x = 859.82