Finding the Fourth Proportional to 10,805.05, 16,207.03 and 3,782.89

Step by Step Solution

1. Step 1: Write the proportion equation
   10,805.05 : 16,207.03 = 3,782.89 : x
2. Step 2: Convert to fraction form
   10,805.05/16,207.03 = 3,782.89/x
3. Step 3: Cross multiply
   10,805.05x = 16,207.03 × 3,782.89
4. Step 4: Simplify right side
   10,805.05x = 61,309,411.72
5. Step 5: Solve for x
   x = 61,309,411.72/10,805.05
6. Step 6: Final answer
   x = 5,674.14