Finding the Fourth Proportional to 2,271.98, 3,407.08 and 885.13

Step by Step Solution

1. Step 1: Write the proportion equation
   2,271.98 : 3,407.08 = 885.13 : x
2. Step 2: Convert to fraction form
   2,271.98/3,407.08 = 885.13/x
3. Step 3: Cross multiply
   2,271.98x = 3,407.08 × 885.13
4. Step 4: Simplify right side
   2,271.98x = 3,015,708.72
5. Step 5: Solve for x
   x = 3,015,708.72/2,271.98
6. Step 6: Final answer
   x = 1,327.35