Finding the Fourth Proportional to 1,860.66, 2,567.61 and 1,074.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,860.66 : 2,567.61 = 1,074.69 : x
2. Step 2: Convert to fraction form
   1,860.66/2,567.61 = 1,074.69/x
3. Step 3: Cross multiply
   1,860.66x = 2,567.61 × 1,074.69
4. Step 4: Simplify right side
   1,860.66x = 2,759,384.79
5. Step 5: Solve for x
   x = 2,759,384.79/1,860.66
6. Step 6: Final answer
   x = 1,483.01