Finding the Fourth Proportional to 13,104.06, 18,080.78 and 7,797.84

Step by Step Solution

1. Step 1: Write the proportion equation
   13,104.06 : 18,080.78 = 7,797.84 : x
2. Step 2: Convert to fraction form
   13,104.06/18,080.78 = 7,797.84/x
3. Step 3: Cross multiply
   13,104.06x = 18,080.78 × 7,797.84
4. Step 4: Simplify right side
   13,104.06x = 140,991,029.52
5. Step 5: Solve for x
   x = 140,991,029.52/13,104.06
6. Step 6: Final answer
   x = 10,759.34