Finding the Fourth Proportional to 5,571.34, 8,355.54 and 1,872.82

Step by Step Solution

1. Step 1: Write the proportion equation
   5,571.34 : 8,355.54 = 1,872.82 : x
2. Step 2: Convert to fraction form
   5,571.34/8,355.54 = 1,872.82/x
3. Step 3: Cross multiply
   5,571.34x = 8,355.54 × 1,872.82
4. Step 4: Simplify right side
   5,571.34x = 15,648,422.42
5. Step 5: Solve for x
   x = 15,648,422.42/5,571.34
6. Step 6: Final answer
   x = 2,808.74