Finding the Fourth Proportional to 1,397.25, 2,083.52 and 1,296.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,397.25 : 2,083.52 = 1,296.81 : x
2. Step 2: Convert to fraction form
   1,397.25/2,083.52 = 1,296.81/x
3. Step 3: Cross multiply
   1,397.25x = 2,083.52 × 1,296.81
4. Step 4: Simplify right side
   1,397.25x = 2,701,932.81
5. Step 5: Solve for x
   x = 2,701,932.81/1,397.25
6. Step 6: Final answer
   x = 1,933.75