Finding the Fourth Proportional to 6,483.42, 9,726.68 and 2,100.88

Step by Step Solution

1. Step 1: Write the proportion equation
   6,483.42 : 9,726.68 = 2,100.88 : x
2. Step 2: Convert to fraction form
   6,483.42/9,726.68 = 2,100.88/x
3. Step 3: Cross multiply
   6,483.42x = 9,726.68 × 2,100.88
4. Step 4: Simplify right side
   6,483.42x = 20,434,587.48
5. Step 5: Solve for x
   x = 20,434,587.48/6,483.42
6. Step 6: Final answer
   x = 3,151.82