Finding the Fourth Proportional to 6,763.41, 10,142.01 and 2,081.79

Step by Step Solution

1. Step 1: Write the proportion equation
   6,763.41 : 10,142.01 = 2,081.79 : x
2. Step 2: Convert to fraction form
   6,763.41/10,142.01 = 2,081.79/x
3. Step 3: Cross multiply
   6,763.41x = 10,142.01 × 2,081.79
4. Step 4: Simplify right side
   6,763.41x = 21,113,535.00
5. Step 5: Solve for x
   x = 21,113,535.00/6,763.41
6. Step 6: Final answer
   x = 3,121.73