Finding the Fourth Proportional to 5,570.51, 8,355.47 and 1,872.82

Step by Step Solution

1. Step 1: Write the proportion equation
   5,570.51 : 8,355.47 = 1,872.82 : x
2. Step 2: Convert to fraction form
   5,570.51/8,355.47 = 1,872.82/x
3. Step 3: Cross multiply
   5,570.51x = 8,355.47 × 1,872.82
4. Step 4: Simplify right side
   5,570.51x = 15,648,249.55
5. Step 5: Solve for x
   x = 15,648,249.55/5,570.51
6. Step 6: Final answer
   x = 2,809.12