Finding the Fourth Proportional to 8,076.10, 11,145.28 and 4,889.98

Step by Step Solution

1. Step 1: Write the proportion equation
   8,076.10 : 11,145.28 = 4,889.98 : x
2. Step 2: Convert to fraction form
   8,076.10/11,145.28 = 4,889.98/x
3. Step 3: Cross multiply
   8,076.10x = 11,145.28 × 4,889.98
4. Step 4: Simplify right side
   8,076.10x = 54,500,196.29
5. Step 5: Solve for x
   x = 54,500,196.29/8,076.10
6. Step 6: Final answer
   x = 6,748.33