Finding the Fourth Proportional to 14,058.32, 19,399.76 and 7,769.48

Step by Step Solution

1. Step 1: Write the proportion equation
   14,058.32 : 19,399.76 = 7,769.48 : x
2. Step 2: Convert to fraction form
   14,058.32/19,399.76 = 7,769.48/x
3. Step 3: Cross multiply
   14,058.32x = 19,399.76 × 7,769.48
4. Step 4: Simplify right side
   14,058.32x = 150,726,047.32
5. Step 5: Solve for x
   x = 150,726,047.32/14,058.32
6. Step 6: Final answer
   x = 10,721.48