Finding the Fourth Proportional to 2,185.63, 3,277.23 and 885.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,185.63 : 3,277.23 = 885.58 : x
2. Step 2: Convert to fraction form
   2,185.63/3,277.23 = 885.58/x
3. Step 3: Cross multiply
   2,185.63x = 3,277.23 × 885.58
4. Step 4: Simplify right side
   2,185.63x = 2,902,249.34
5. Step 5: Solve for x
   x = 2,902,249.34/2,185.63
6. Step 6: Final answer
   x = 1,327.88