Finding the Fourth Proportional to 1,700.73, 2,549.50 and 919.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,700.73 : 2,549.50 = 919.57 : x
2. Step 2: Convert to fraction form
   1,700.73/2,549.50 = 919.57/x
3. Step 3: Cross multiply
   1,700.73x = 2,549.50 × 919.57
4. Step 4: Simplify right side
   1,700.73x = 2,344,443.72
5. Step 5: Solve for x
   x = 2,344,443.72/1,700.73
6. Step 6: Final answer
   x = 1,378.49