Finding the Fourth Proportional to 1,593.06, 2,198.54 and 885.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,593.06 : 2,198.54 = 885.12 : x
2. Step 2: Convert to fraction form
   1,593.06/2,198.54 = 885.12/x
3. Step 3: Cross multiply
   1,593.06x = 2,198.54 × 885.12
4. Step 4: Simplify right side
   1,593.06x = 1,945,971.72
5. Step 5: Solve for x
   x = 1,945,971.72/1,593.06
6. Step 6: Final answer
   x = 1,221.53