Finding the Fourth Proportional to 16,769.53, 23,165.56 and 15,883.79

Step by Step Solution

1. Step 1: Write the proportion equation
   16,769.53 : 23,165.56 = 15,883.79 : x
2. Step 2: Convert to fraction form
   16,769.53/23,165.56 = 15,883.79/x
3. Step 3: Cross multiply
   16,769.53x = 23,165.56 × 15,883.79
4. Step 4: Simplify right side
   16,769.53x = 367,956,890.27
5. Step 5: Solve for x
   x = 367,956,890.27/16,769.53
6. Step 6: Final answer
   x = 21,942.00