Finding the Fourth Proportional to 13,102.05, 18,080.87 and 7,796.76

Step by Step Solution

1. Step 1: Write the proportion equation
   13,102.05 : 18,080.87 = 7,796.76 : x
2. Step 2: Convert to fraction form
   13,102.05/18,080.87 = 7,796.76/x
3. Step 3: Cross multiply
   13,102.05x = 18,080.87 × 7,796.76
4. Step 4: Simplify right side
   13,102.05x = 140,972,141.05
5. Step 5: Solve for x
   x = 140,972,141.05/13,102.05
6. Step 6: Final answer
   x = 10,759.55