Finding the Fourth Proportional to 14,057.02, 19,399.83 and 7,769.50

Step by Step Solution

1. Step 1: Write the proportion equation
   14,057.02 : 19,399.83 = 7,769.50 : x
2. Step 2: Convert to fraction form
   14,057.02/19,399.83 = 7,769.50/x
3. Step 3: Cross multiply
   14,057.02x = 19,399.83 × 7,769.50
4. Step 4: Simplify right side
   14,057.02x = 150,726,979.19
5. Step 5: Solve for x
   x = 150,726,979.19/14,057.02
6. Step 6: Final answer
   x = 10,722.54