Finding the Fourth Proportional to 1,870.81, 2,581.58 and 1,073.97

Step by Step Solution

1. Step 1: Write the proportion equation
   1,870.81 : 2,581.58 = 1,073.97 : x
2. Step 2: Convert to fraction form
   1,870.81/2,581.58 = 1,073.97/x
3. Step 3: Cross multiply
   1,870.81x = 2,581.58 × 1,073.97
4. Step 4: Simplify right side
   1,870.81x = 2,772,542.16
5. Step 5: Solve for x
   x = 2,772,542.16/1,870.81
6. Step 6: Final answer
   x = 1,482.00