Finding the Fourth Proportional to 1,427.15, 2,141.42 and 696.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,427.15 : 2,141.42 = 696.33 : x
2. Step 2: Convert to fraction form
   1,427.15/2,141.42 = 696.33/x
3. Step 3: Cross multiply
   1,427.15x = 2,141.42 × 696.33
4. Step 4: Simplify right side
   1,427.15x = 1,491,131.51
5. Step 5: Solve for x
   x = 1,491,131.51/1,427.15
6. Step 6: Final answer
   x = 1,044.84