Finding the Fourth Proportional to 1,870.05, 2,581.07 and 1,073.51

Step by Step Solution

1. Step 1: Write the proportion equation
   1,870.05 : 2,581.07 = 1,073.51 : x
2. Step 2: Convert to fraction form
   1,870.05/2,581.07 = 1,073.51/x
3. Step 3: Cross multiply
   1,870.05x = 2,581.07 × 1,073.51
4. Step 4: Simplify right side
   1,870.05x = 2,770,790.21
5. Step 5: Solve for x
   x = 2,770,790.21/1,870.05
6. Step 6: Final answer
   x = 1,481.66