Finding the Fourth Proportional to 1,396.97, 1,927.63 and 1,114.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,396.97 : 1,927.63 = 1,114.10 : x
2. Step 2: Convert to fraction form
   1,396.97/1,927.63 = 1,114.10/x
3. Step 3: Cross multiply
   1,396.97x = 1,927.63 × 1,114.10
4. Step 4: Simplify right side
   1,396.97x = 2,147,572.58
5. Step 5: Solve for x
   x = 2,147,572.58/1,396.97
6. Step 6: Final answer
   x = 1,537.31