Finding the Fourth Proportional to 2,072.26, 3,105.91 and 1,583.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,072.26 : 3,105.91 = 1,583.83 : x
2. Step 2: Convert to fraction form
   2,072.26/3,105.91 = 1,583.83/x
3. Step 3: Cross multiply
   2,072.26x = 3,105.91 × 1,583.83
4. Step 4: Simplify right side
   2,072.26x = 4,919,233.44
5. Step 5: Solve for x
   x = 4,919,233.44/2,072.26
6. Step 6: Final answer
   x = 2,373.85