Finding the Fourth Proportional to 2,346.39, 3,517.56 and 885.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,346.39 : 3,517.56 = 885.42 : x
2. Step 2: Convert to fraction form
   2,346.39/3,517.56 = 885.42/x
3. Step 3: Cross multiply
   2,346.39x = 3,517.56 × 885.42
4. Step 4: Simplify right side
   2,346.39x = 3,114,517.98
5. Step 5: Solve for x
   x = 3,114,517.98/2,346.39
6. Step 6: Final answer
   x = 1,327.37