Finding the Fourth Proportional to 1,839.57, 2,536.43 and 1,396.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,839.57 : 2,536.43 = 1,396.73 : x
2. Step 2: Convert to fraction form
   1,839.57/2,536.43 = 1,396.73/x
3. Step 3: Cross multiply
   1,839.57x = 2,536.43 × 1,396.73
4. Step 4: Simplify right side
   1,839.57x = 3,542,688.21
5. Step 5: Solve for x
   x = 3,542,688.21/1,839.57
6. Step 6: Final answer
   x = 1,925.82