Finding the Fourth Proportional to 13,104.72, 18,083.25 and 7,800.84

Step by Step Solution

1. Step 1: Write the proportion equation
   13,104.72 : 18,083.25 = 7,800.84 : x
2. Step 2: Convert to fraction form
   13,104.72/18,083.25 = 7,800.84/x
3. Step 3: Cross multiply
   13,104.72x = 18,083.25 × 7,800.84
4. Step 4: Simplify right side
   13,104.72x = 141,064,539.93
5. Step 5: Solve for x
   x = 141,064,539.93/13,104.72
6. Step 6: Final answer
   x = 10,764.41