Finding the Fourth Proportional to 10,789.89, 16,179.32 and 4,941.49

Step by Step Solution

1. Step 1: Write the proportion equation
   10,789.89 : 16,179.32 = 4,941.49 : x
2. Step 2: Convert to fraction form
   10,789.89/16,179.32 = 4,941.49/x
3. Step 3: Cross multiply
   10,789.89x = 16,179.32 × 4,941.49
4. Step 4: Simplify right side
   10,789.89x = 79,949,882.83
5. Step 5: Solve for x
   x = 79,949,882.83/10,789.89
6. Step 6: Final answer
   x = 7,409.70