Finding the Fourth Proportional to 14,410.69, 19,886.76 and 7,786.69

Step by Step Solution

1. Step 1: Write the proportion equation
   14,410.69 : 19,886.76 = 7,786.69 : x
2. Step 2: Convert to fraction form
   14,410.69/19,886.76 = 7,786.69/x
3. Step 3: Cross multiply
   14,410.69x = 19,886.76 × 7,786.69
4. Step 4: Simplify right side
   14,410.69x = 154,851,985.51
5. Step 5: Solve for x
   x = 154,851,985.51/14,410.69
6. Step 6: Final answer
   x = 10,745.63