Finding the Fourth Proportional to 2,061.17, 2,839.97 and 1,396.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,061.17 : 2,839.97 = 1,396.86 : x
2. Step 2: Convert to fraction form
   2,061.17/2,839.97 = 1,396.86/x
3. Step 3: Cross multiply
   2,061.17x = 2,839.97 × 1,396.86
4. Step 4: Simplify right side
   2,061.17x = 3,967,033.51
5. Step 5: Solve for x
   x = 3,967,033.51/2,061.17
6. Step 6: Final answer
   x = 1,924.66