Finding the Fourth Proportional to 1,468.63, 2,026.72 and 839.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,468.63 : 2,026.72 = 839.16 : x
2. Step 2: Convert to fraction form
   1,468.63/2,026.72 = 839.16/x
3. Step 3: Cross multiply
   1,468.63x = 2,026.72 × 839.16
4. Step 4: Simplify right side
   1,468.63x = 1,700,743.40
5. Step 5: Solve for x
   x = 1,700,743.40/1,468.63
6. Step 6: Final answer
   x = 1,158.05