Finding the Fourth Proportional to 2,082.31, 2,875.74 and 1,801.19

Step by Step Solution

1. Step 1: Write the proportion equation
   2,082.31 : 2,875.74 = 1,801.19 : x
2. Step 2: Convert to fraction form
   2,082.31/2,875.74 = 1,801.19/x
3. Step 3: Cross multiply
   2,082.31x = 2,875.74 × 1,801.19
4. Step 4: Simplify right side
   2,082.31x = 5,179,754.57
5. Step 5: Solve for x
   x = 5,179,754.57/2,082.31
6. Step 6: Final answer
   x = 2,487.51