Finding the Fourth Proportional to 10,778.89, 16,154.63 and 4,849.44

Step by Step Solution

1. Step 1: Write the proportion equation
   10,778.89 : 16,154.63 = 4,849.44 : x
2. Step 2: Convert to fraction form
   10,778.89/16,154.63 = 4,849.44/x
3. Step 3: Cross multiply
   10,778.89x = 16,154.63 × 4,849.44
4. Step 4: Simplify right side
   10,778.89x = 78,340,803.89
5. Step 5: Solve for x
   x = 78,340,803.89/10,778.89
6. Step 6: Final answer
   x = 7,267.98