Finding the Fourth Proportional to 14,111.99, 19,474.77 and 7,739.16

Step by Step Solution

1. Step 1: Write the proportion equation
   14,111.99 : 19,474.77 = 7,739.16 : x
2. Step 2: Convert to fraction form
   14,111.99/19,474.77 = 7,739.16/x
3. Step 3: Cross multiply
   14,111.99x = 19,474.77 × 7,739.16
4. Step 4: Simplify right side
   14,111.99x = 150,718,322.30
5. Step 5: Solve for x
   x = 150,718,322.30/14,111.99
6. Step 6: Final answer
   x = 10,680.16