Finding the Fourth Proportional to 2,081.50, 3,123.06 and 926.44

Step by Step Solution

1. Step 1: Write the proportion equation
   2,081.50 : 3,123.06 = 926.44 : x
2. Step 2: Convert to fraction form
   2,081.50/3,123.06 = 926.44/x
3. Step 3: Cross multiply
   2,081.50x = 3,123.06 × 926.44
4. Step 4: Simplify right side
   2,081.50x = 2,893,327.71
5. Step 5: Solve for x
   x = 2,893,327.71/2,081.50
6. Step 6: Final answer
   x = 1,390.02