Finding the Fourth Proportional to 1,756.89, 2,429.06 and 1,679.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,756.89 : 2,429.06 = 1,679.40 : x
2. Step 2: Convert to fraction form
   1,756.89/2,429.06 = 1,679.40/x
3. Step 3: Cross multiply
   1,756.89x = 2,429.06 × 1,679.40
4. Step 4: Simplify right side
   1,756.89x = 4,079,354.97
5. Step 5: Solve for x
   x = 4,079,354.97/1,756.89
6. Step 6: Final answer
   x = 2,321.92