Finding the Fourth Proportional to 10,443.06, 15,665.33 and 4,203.11

Step by Step Solution

1. Step 1: Write the proportion equation
   10,443.06 : 15,665.33 = 4,203.11 : x
2. Step 2: Convert to fraction form
   10,443.06/15,665.33 = 4,203.11/x
3. Step 3: Cross multiply
   10,443.06x = 15,665.33 × 4,203.11
4. Step 4: Simplify right side
   10,443.06x = 65,843,066.73
5. Step 5: Solve for x
   x = 65,843,066.73/10,443.06
6. Step 6: Final answer
   x = 6,304.96