Finding the Fourth Proportional to 6,483.43, 9,725.20 and 2,100.89

Step by Step Solution

1. Step 1: Write the proportion equation
   6,483.43 : 9,725.20 = 2,100.89 : x
2. Step 2: Convert to fraction form
   6,483.43/9,725.20 = 2,100.89/x
3. Step 3: Cross multiply
   6,483.43x = 9,725.20 × 2,100.89
4. Step 4: Simplify right side
   6,483.43x = 20,431,548.65
5. Step 5: Solve for x
   x = 20,431,548.65/6,483.43
6. Step 6: Final answer
   x = 3,151.35