Finding the Fourth Proportional to 1,434.03, 2,145.60 and 849.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,434.03 : 2,145.60 = 849.34 : x
2. Step 2: Convert to fraction form
   1,434.03/2,145.60 = 849.34/x
3. Step 3: Cross multiply
   1,434.03x = 2,145.60 × 849.34
4. Step 4: Simplify right side
   1,434.03x = 1,822,343.90
5. Step 5: Solve for x
   x = 1,822,343.90/1,434.03
6. Step 6: Final answer
   x = 1,270.79