Finding the Fourth Proportional to 2,300.35, 3,451.04 and 839.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,300.35 : 3,451.04 = 839.51 : x
2. Step 2: Convert to fraction form
   2,300.35/3,451.04 = 839.51/x
3. Step 3: Cross multiply
   2,300.35x = 3,451.04 × 839.51
4. Step 4: Simplify right side
   2,300.35x = 2,897,164.29
5. Step 5: Solve for x
   x = 2,897,164.29/2,300.35
6. Step 6: Final answer
   x = 1,259.45