Finding the Fourth Proportional to 2,085.96, 3,123.87 and 1,262.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,085.96 : 3,123.87 = 1,262.22 : x
2. Step 2: Convert to fraction form
   2,085.96/3,123.87 = 1,262.22/x
3. Step 3: Cross multiply
   2,085.96x = 3,123.87 × 1,262.22
4. Step 4: Simplify right side
   2,085.96x = 3,943,011.19
5. Step 5: Solve for x
   x = 3,943,011.19/2,085.96
6. Step 6: Final answer
   x = 1,890.26