Finding the Fourth Proportional to 1,870.69, 2,581.47 and 1,073.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,870.69 : 2,581.47 = 1,073.46 : x
2. Step 2: Convert to fraction form
   1,870.69/2,581.47 = 1,073.46/x
3. Step 3: Cross multiply
   1,870.69x = 2,581.47 × 1,073.46
4. Step 4: Simplify right side
   1,870.69x = 2,771,106.53
5. Step 5: Solve for x
   x = 2,771,106.53/1,870.69
6. Step 6: Final answer
   x = 1,481.33