Finding the Fourth Proportional to 2,271.51, 3,408.13 and 885.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,271.51 : 3,408.13 = 885.82 : x
2. Step 2: Convert to fraction form
   2,271.51/3,408.13 = 885.82/x
3. Step 3: Cross multiply
   2,271.51x = 3,408.13 × 885.82
4. Step 4: Simplify right side
   2,271.51x = 3,018,989.72
5. Step 5: Solve for x
   x = 3,018,989.72/2,271.51
6. Step 6: Final answer
   x = 1,329.07