Finding the Fourth Proportional to 1,921.96, 2,651.83 and 1,082.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,921.96 : 2,651.83 = 1,082.50 : x
2. Step 2: Convert to fraction form
   1,921.96/2,651.83 = 1,082.50/x
3. Step 3: Cross multiply
   1,921.96x = 2,651.83 × 1,082.50
4. Step 4: Simplify right side
   1,921.96x = 2,870,605.98
5. Step 5: Solve for x
   x = 2,870,605.98/1,921.96
6. Step 6: Final answer
   x = 1,493.58