Finding the Fourth Proportional to 1,709.33, 2,549.42 and 1,679.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,709.33 : 2,549.42 = 1,679.73 : x
2. Step 2: Convert to fraction form
   1,709.33/2,549.42 = 1,679.73/x
3. Step 3: Cross multiply
   1,709.33x = 2,549.42 × 1,679.73
4. Step 4: Simplify right side
   1,709.33x = 4,282,328.86
5. Step 5: Solve for x
   x = 4,282,328.86/1,709.33
6. Step 6: Final answer
   x = 2,505.27