Finding the Fourth Proportional to 10,805.34, 16,208.79 and 3,784.56

Step by Step Solution

1. Step 1: Write the proportion equation
   10,805.34 : 16,208.79 = 3,784.56 : x
2. Step 2: Convert to fraction form
   10,805.34/16,208.79 = 3,784.56/x
3. Step 3: Cross multiply
   10,805.34x = 16,208.79 × 3,784.56
4. Step 4: Simplify right side
   10,805.34x = 61,343,138.28
5. Step 5: Solve for x
   x = 61,343,138.28/10,805.34
6. Step 6: Final answer
   x = 5,677.11