Finding the Fourth Proportional to 1,512.43, 2,087.27 and 849.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,512.43 : 2,087.27 = 849.34 : x
2. Step 2: Convert to fraction form
   1,512.43/2,087.27 = 849.34/x
3. Step 3: Cross multiply
   1,512.43x = 2,087.27 × 849.34
4. Step 4: Simplify right side
   1,512.43x = 1,772,801.90
5. Step 5: Solve for x
   x = 1,772,801.90/1,512.43
6. Step 6: Final answer
   x = 1,172.15