Finding the Fourth Proportional to 6,443.49, 9,665.10 and 2,060.94

Step by Step Solution

1. Step 1: Write the proportion equation
   6,443.49 : 9,665.10 = 2,060.94 : x
2. Step 2: Convert to fraction form
   6,443.49/9,665.10 = 2,060.94/x
3. Step 3: Cross multiply
   6,443.49x = 9,665.10 × 2,060.94
4. Step 4: Simplify right side
   6,443.49x = 19,919,191.19
5. Step 5: Solve for x
   x = 19,919,191.19/6,443.49
6. Step 6: Final answer
   x = 3,091.37