Finding the Fourth Proportional to 1,512.34, 2,086.98 and 849.19

Step by Step Solution

1. Step 1: Write the proportion equation
   1,512.34 : 2,086.98 = 849.19 : x
2. Step 2: Convert to fraction form
   1,512.34/2,086.98 = 849.19/x
3. Step 3: Cross multiply
   1,512.34x = 2,086.98 × 849.19
4. Step 4: Simplify right side
   1,512.34x = 1,772,242.55
5. Step 5: Solve for x
   x = 1,772,242.55/1,512.34
6. Step 6: Final answer
   x = 1,171.85