Finding the Fourth Proportional to 1,468.76, 2,026.56 and 839.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,468.76 : 2,026.56 = 839.24 : x
2. Step 2: Convert to fraction form
   1,468.76/2,026.56 = 839.24/x
3. Step 3: Cross multiply
   1,468.76x = 2,026.56 × 839.24
4. Step 4: Simplify right side
   1,468.76x = 1,700,770.21
5. Step 5: Solve for x
   x = 1,700,770.21/1,468.76
6. Step 6: Final answer
   x = 1,157.96