Finding the Fourth Proportional to 1,512.29, 2,086.89 and 849.11

Step by Step Solution

1. Step 1: Write the proportion equation
   1,512.29 : 2,086.89 = 849.11 : x
2. Step 2: Convert to fraction form
   1,512.29/2,086.89 = 849.11/x
3. Step 3: Cross multiply
   1,512.29x = 2,086.89 × 849.11
4. Step 4: Simplify right side
   1,512.29x = 1,771,999.17
5. Step 5: Solve for x
   x = 1,771,999.17/1,512.29
6. Step 6: Final answer
   x = 1,171.73