Finding the Fourth Proportional to 8,076.89, 11,142.68 and 4,931.25

Step by Step Solution

1. Step 1: Write the proportion equation
   8,076.89 : 11,142.68 = 4,931.25 : x
2. Step 2: Convert to fraction form
   8,076.89/11,142.68 = 4,931.25/x
3. Step 3: Cross multiply
   8,076.89x = 11,142.68 × 4,931.25
4. Step 4: Simplify right side
   8,076.89x = 54,947,316.09
5. Step 5: Solve for x
   x = 54,947,316.09/8,076.89
6. Step 6: Final answer
   x = 6,803.03