Finding the Fourth Proportional to 2,693.60, 4,039.34 and 844.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,693.60 : 4,039.34 = 844.22 : x
2. Step 2: Convert to fraction form
   2,693.60/4,039.34 = 844.22/x
3. Step 3: Cross multiply
   2,693.60x = 4,039.34 × 844.22
4. Step 4: Simplify right side
   2,693.60x = 3,410,073.53
5. Step 5: Solve for x
   x = 3,410,073.53/2,693.60
6. Step 6: Final answer
   x = 1,265.99