Finding the Fourth Proportional to 10,798.72, 16,197.70 and 3,778.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,798.72 : 16,197.70 = 3,778.72 : x
2. Step 2: Convert to fraction form
   10,798.72/16,197.70 = 3,778.72/x
3. Step 3: Cross multiply
   10,798.72x = 16,197.70 × 3,778.72
4. Step 4: Simplify right side
   10,798.72x = 61,206,572.94
5. Step 5: Solve for x
   x = 61,206,572.94/10,798.72
6. Step 6: Final answer
   x = 5,667.95