Finding the Fourth Proportional to 1,860.53, 2,567.34 and 1,074.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,860.53 : 2,567.34 = 1,074.83 : x
2. Step 2: Convert to fraction form
   1,860.53/2,567.34 = 1,074.83/x
3. Step 3: Cross multiply
   1,860.53x = 2,567.34 × 1,074.83
4. Step 4: Simplify right side
   1,860.53x = 2,759,435.84
5. Step 5: Solve for x
   x = 2,759,435.84/1,860.53
6. Step 6: Final answer
   x = 1,483.15