Finding the Fourth Proportional to 1,349.06, 1,861.52 and 851.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,349.06 : 1,861.52 = 851.49 : x
2. Step 2: Convert to fraction form
   1,349.06/1,861.52 = 851.49/x
3. Step 3: Cross multiply
   1,349.06x = 1,861.52 × 851.49
4. Step 4: Simplify right side
   1,349.06x = 1,585,061.41
5. Step 5: Solve for x
   x = 1,585,061.41/1,349.06
6. Step 6: Final answer
   x = 1,174.94