Finding the Fourth Proportional to 1,400.50, 2,098.32 and 851.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,400.50 : 2,098.32 = 851.53 : x
2. Step 2: Convert to fraction form
   1,400.50/2,098.32 = 851.53/x
3. Step 3: Cross multiply
   1,400.50x = 2,098.32 × 851.53
4. Step 4: Simplify right side
   1,400.50x = 1,786,771.94
5. Step 5: Solve for x
   x = 1,786,771.94/1,400.50
6. Step 6: Final answer
   x = 1,275.81