Finding the Fourth Proportional to 1,870.76, 2,581.56 and 1,073.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,870.76 : 2,581.56 = 1,073.53 : x
2. Step 2: Convert to fraction form
   1,870.76/2,581.56 = 1,073.53/x
3. Step 3: Cross multiply
   1,870.76x = 2,581.56 × 1,073.53
4. Step 4: Simplify right side
   1,870.76x = 2,771,375.65
5. Step 5: Solve for x
   x = 2,771,375.65/1,870.76
6. Step 6: Final answer
   x = 1,481.42