Finding the Fourth Proportional to 2,141.00, 3,211.35 and 679.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,141.00 : 3,211.35 = 679.76 : x
2. Step 2: Convert to fraction form
   2,141.00/3,211.35 = 679.76/x
3. Step 3: Cross multiply
   2,141.00x = 3,211.35 × 679.76
4. Step 4: Simplify right side
   2,141.00x = 2,182,931.22
5. Step 5: Solve for x
   x = 2,182,931.22/2,141.00
6. Step 6: Final answer
   x = 1,019.59