Finding the Fourth Proportional to 1,468.78, 2,026.97 and 839.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,468.78 : 2,026.97 = 839.41 : x
2. Step 2: Convert to fraction form
   1,468.78/2,026.97 = 839.41/x
3. Step 3: Cross multiply
   1,468.78x = 2,026.97 × 839.41
4. Step 4: Simplify right side
   1,468.78x = 1,701,458.89
5. Step 5: Solve for x
   x = 1,701,458.89/1,468.78
6. Step 6: Final answer
   x = 1,158.42