Finding the Fourth Proportional to 23,238.88, 32,068.77 and 12,628.28

Step by Step Solution

1. Step 1: Write the proportion equation
   23,238.88 : 32,068.77 = 12,628.28 : x
2. Step 2: Convert to fraction form
   23,238.88/32,068.77 = 12,628.28/x
3. Step 3: Cross multiply
   23,238.88x = 32,068.77 × 12,628.28
4. Step 4: Simplify right side
   23,238.88x = 404,973,406.82
5. Step 5: Solve for x
   x = 404,973,406.82/23,238.88
6. Step 6: Final answer
   x = 17,426.55