Finding the Fourth Proportional to 16,007.04, 23,977.92 and 13,056

Step by Step Solution

1. Step 1: Write the proportion equation
   16,007.04 : 23,977.92 = 13,056 : x
2. Step 2: Convert to fraction form
   16,007.04/23,977.92 = 13,056/x
3. Step 3: Cross multiply
   16,007.04x = 23,977.92 × 13,056
4. Step 4: Simplify right side
   16,007.04x = 313,055,723.52
5. Step 5: Solve for x
   x = 313,055,723.52/16,007.04
6. Step 6: Final answer
   x = 19,557.38