Finding the Fourth Proportional to 1,870.98, 2,581.80 and 1,074.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,870.98 : 2,581.80 = 1,074.54 : x
2. Step 2: Convert to fraction form
   1,870.98/2,581.80 = 1,074.54/x
3. Step 3: Cross multiply
   1,870.98x = 2,581.80 × 1,074.54
4. Step 4: Simplify right side
   1,870.98x = 2,774,247.37
5. Step 5: Solve for x
   x = 2,774,247.37/1,870.98
6. Step 6: Final answer
   x = 1,482.78