Finding the Fourth Proportional to 14,111.20, 19,473.66 and 7,738.37

Step by Step Solution

1. Step 1: Write the proportion equation
   14,111.20 : 19,473.66 = 7,738.37 : x
2. Step 2: Convert to fraction form
   14,111.20/19,473.66 = 7,738.37/x
3. Step 3: Cross multiply
   14,111.20x = 19,473.66 × 7,738.37
4. Step 4: Simplify right side
   14,111.20x = 150,694,386.33
5. Step 5: Solve for x
   x = 150,694,386.33/14,111.20
6. Step 6: Final answer
   x = 10,679.06