Finding the Fourth Proportional to 1,593.24, 2,198.71 and 885.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,593.24 : 2,198.71 = 885.15 : x
2. Step 2: Convert to fraction form
   1,593.24/2,198.71 = 885.15/x
3. Step 3: Cross multiply
   1,593.24x = 2,198.71 × 885.15
4. Step 4: Simplify right side
   1,593.24x = 1,946,191.71
5. Step 5: Solve for x
   x = 1,946,191.71/1,593.24
6. Step 6: Final answer
   x = 1,221.53