Finding the Fourth Proportional to 1,870.31, 2,581.68 and 1,162.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,870.31 : 2,581.68 = 1,162.71 : x
2. Step 2: Convert to fraction form
   1,870.31/2,581.68 = 1,162.71/x
3. Step 3: Cross multiply
   1,870.31x = 2,581.68 × 1,162.71
4. Step 4: Simplify right side
   1,870.31x = 3,001,745.15
5. Step 5: Solve for x
   x = 3,001,745.15/1,870.31
6. Step 6: Final answer
   x = 1,604.95