Finding the Fourth Proportional to 1,860.72, 2,567.30 and 1,074.60

Step by Step Solution

1. Step 1: Write the proportion equation
   1,860.72 : 2,567.30 = 1,074.60 : x
2. Step 2: Convert to fraction form
   1,860.72/2,567.30 = 1,074.60/x
3. Step 3: Cross multiply
   1,860.72x = 2,567.30 × 1,074.60
4. Step 4: Simplify right side
   1,860.72x = 2,758,820.58
5. Step 5: Solve for x
   x = 2,758,820.58/1,860.72
6. Step 6: Final answer
   x = 1,482.66