Finding the Fourth Proportional to 12,023.96, 16,579.56 and 7,769.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,023.96 : 16,579.56 = 7,769.42 : x
2. Step 2: Convert to fraction form
   12,023.96/16,579.56 = 7,769.42/x
3. Step 3: Cross multiply
   12,023.96x = 16,579.56 × 7,769.42
4. Step 4: Simplify right side
   12,023.96x = 128,813,565.06
5. Step 5: Solve for x
   x = 128,813,565.06/12,023.96
6. Step 6: Final answer
   x = 10,713.07