Finding the Fourth Proportional to 10,776.09, 16,157.40 and 4,851.75

Step by Step Solution

1. Step 1: Write the proportion equation
   10,776.09 : 16,157.40 = 4,851.75 : x
2. Step 2: Convert to fraction form
   10,776.09/16,157.40 = 4,851.75/x
3. Step 3: Cross multiply
   10,776.09x = 16,157.40 × 4,851.75
4. Step 4: Simplify right side
   10,776.09x = 78,391,665.45
5. Step 5: Solve for x
   x = 78,391,665.45/10,776.09
6. Step 6: Final answer
   x = 7,274.59