Finding the Fourth Proportional to 1,679.54, 2,517.74 and 1,061.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,679.54 : 2,517.74 = 1,061.46 : x
2. Step 2: Convert to fraction form
   1,679.54/2,517.74 = 1,061.46/x
3. Step 3: Cross multiply
   1,679.54x = 2,517.74 × 1,061.46
4. Step 4: Simplify right side
   1,679.54x = 2,672,480.30
5. Step 5: Solve for x
   x = 2,672,480.30/1,679.54
6. Step 6: Final answer
   x = 1,591.20