Finding the Fourth Proportional to 12,725.47, 17,557.58 and 10,028.33

Step by Step Solution

1. Step 1: Write the proportion equation
   12,725.47 : 17,557.58 = 10,028.33 : x
2. Step 2: Convert to fraction form
   12,725.47/17,557.58 = 10,028.33/x
3. Step 3: Cross multiply
   12,725.47x = 17,557.58 × 10,028.33
4. Step 4: Simplify right side
   12,725.47x = 176,073,143.52
5. Step 5: Solve for x
   x = 176,073,143.52/12,725.47
6. Step 6: Final answer
   x = 13,836.28