Finding the Fourth Proportional to 5,571.61, 8,357.82 and 1,873.82

Step by Step Solution

1. Step 1: Write the proportion equation
   5,571.61 : 8,357.82 = 1,873.82 : x
2. Step 2: Convert to fraction form
   5,571.61/8,357.82 = 1,873.82/x
3. Step 3: Cross multiply
   5,571.61x = 8,357.82 × 1,873.82
4. Step 4: Simplify right side
   5,571.61x = 15,661,050.27
5. Step 5: Solve for x
   x = 15,661,050.27/5,571.61
6. Step 6: Final answer
   x = 2,810.87