Finding the Fourth Proportional to 1,376.42, 1,898.52 and 851.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,376.42 : 1,898.52 = 851.54 : x
2. Step 2: Convert to fraction form
   1,376.42/1,898.52 = 851.54/x
3. Step 3: Cross multiply
   1,376.42x = 1,898.52 × 851.54
4. Step 4: Simplify right side
   1,376.42x = 1,616,665.72
5. Step 5: Solve for x
   x = 1,616,665.72/1,376.42
6. Step 6: Final answer
   x = 1,174.54