Finding the Fourth Proportional to 2,160.58, 3,238.94 and 844.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,160.58 : 3,238.94 = 844.03 : x
2. Step 2: Convert to fraction form
   2,160.58/3,238.94 = 844.03/x
3. Step 3: Cross multiply
   2,160.58x = 3,238.94 × 844.03
4. Step 4: Simplify right side
   2,160.58x = 2,733,758.39
5. Step 5: Solve for x
   x = 2,733,758.39/2,160.58
6. Step 6: Final answer
   x = 1,265.29