Finding the Fourth Proportional to 1,096.52, 1,641.56 and 835.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,096.52 : 1,641.56 = 835.72 : x
2. Step 2: Convert to fraction form
   1,096.52/1,641.56 = 835.72/x
3. Step 3: Cross multiply
   1,096.52x = 1,641.56 × 835.72
4. Step 4: Simplify right side
   1,096.52x = 1,371,884.52
5. Step 5: Solve for x
   x = 1,371,884.52/1,096.52
6. Step 6: Final answer
   x = 1,251.13