Finding the Fourth Proportional to 2,225.83, 3,337.15 and 839.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,225.83 : 3,337.15 = 839.06 : x
2. Step 2: Convert to fraction form
   2,225.83/3,337.15 = 839.06/x
3. Step 3: Cross multiply
   2,225.83x = 3,337.15 × 839.06
4. Step 4: Simplify right side
   2,225.83x = 2,800,069.08
5. Step 5: Solve for x
   x = 2,800,069.08/2,225.83
6. Step 6: Final answer
   x = 1,257.99