Finding the Fourth Proportional to 2,347.47, 3,519.61 and 885.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,347.47 : 3,519.61 = 885.38 : x
2. Step 2: Convert to fraction form
   2,347.47/3,519.61 = 885.38/x
3. Step 3: Cross multiply
   2,347.47x = 3,519.61 × 885.38
4. Step 4: Simplify right side
   2,347.47x = 3,116,172.49
5. Step 5: Solve for x
   x = 3,116,172.49/2,347.47
6. Step 6: Final answer
   x = 1,327.46