Finding the Fourth Proportional to 1,427.27, 2,141.91 and 697.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,427.27 : 2,141.91 = 697.37 : x
2. Step 2: Convert to fraction form
   1,427.27/2,141.91 = 697.37/x
3. Step 3: Cross multiply
   1,427.27x = 2,141.91 × 697.37
4. Step 4: Simplify right side
   1,427.27x = 1,493,693.07
5. Step 5: Solve for x
   x = 1,493,693.07/1,427.27
6. Step 6: Final answer
   x = 1,046.54