Finding the Fourth Proportional to 13,100.50, 18,078.51 and 7,795.18

Step by Step Solution

1. Step 1: Write the proportion equation
   13,100.50 : 18,078.51 = 7,795.18 : x
2. Step 2: Convert to fraction form
   13,100.50/18,078.51 = 7,795.18/x
3. Step 3: Cross multiply
   13,100.50x = 18,078.51 × 7,795.18
4. Step 4: Simplify right side
   13,100.50x = 140,925,239.58
5. Step 5: Solve for x
   x = 140,925,239.58/13,100.50
6. Step 6: Final answer
   x = 10,757.24