Finding the Fourth Proportional to 1,704.69, 2,351.81 and 1,074.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,704.69 : 2,351.81 = 1,074.78 : x
2. Step 2: Convert to fraction form
   1,704.69/2,351.81 = 1,074.78/x
3. Step 3: Cross multiply
   1,704.69x = 2,351.81 × 1,074.78
4. Step 4: Simplify right side
   1,704.69x = 2,527,672.98
5. Step 5: Solve for x
   x = 2,527,672.98/1,704.69
6. Step 6: Final answer
   x = 1,482.78