Finding the Fourth Proportional to 6,483.99, 9,726.89 and 2,100.03

Step by Step Solution

1. Step 1: Write the proportion equation
   6,483.99 : 9,726.89 = 2,100.03 : x
2. Step 2: Convert to fraction form
   6,483.99/9,726.89 = 2,100.03/x
3. Step 3: Cross multiply
   6,483.99x = 9,726.89 × 2,100.03
4. Step 4: Simplify right side
   6,483.99x = 20,426,750.31
5. Step 5: Solve for x
   x = 20,426,750.31/6,483.99
6. Step 6: Final answer
   x = 3,150.34