Finding the Fourth Proportional to 10,076.04, 15,102.96 and 8,610.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,076.04 : 15,102.96 = 8,610.72 : x
2. Step 2: Convert to fraction form
   10,076.04/15,102.96 = 8,610.72/x
3. Step 3: Cross multiply
   10,076.04x = 15,102.96 × 8,610.72
4. Step 4: Simplify right side
   10,076.04x = 130,047,359.73
5. Step 5: Solve for x
   x = 130,047,359.73/10,076.04
6. Step 6: Final answer
   x = 12,906.59