Finding the Fourth Proportional to 13,806.82, 19,053.49 and 7,757.10

Step by Step Solution

1. Step 1: Write the proportion equation
   13,806.82 : 19,053.49 = 7,757.10 : x
2. Step 2: Convert to fraction form
   13,806.82/19,053.49 = 7,757.10/x
3. Step 3: Cross multiply
   13,806.82x = 19,053.49 × 7,757.10
4. Step 4: Simplify right side
   13,806.82x = 147,799,827.28
5. Step 5: Solve for x
   x = 147,799,827.28/13,806.82
6. Step 6: Final answer
   x = 10,704.84