Finding the Fourth Proportional to 30,725.52, 42,403.32 and 17,298

Step by Step Solution

1. Step 1: Write the proportion equation
   30,725.52 : 42,403.32 = 17,298 : x
2. Step 2: Convert to fraction form
   30,725.52/42,403.32 = 17,298/x
3. Step 3: Cross multiply
   30,725.52x = 42,403.32 × 17,298
4. Step 4: Simplify right side
   30,725.52x = 733,492,629.36
5. Step 5: Solve for x
   x = 733,492,629.36/30,725.52
6. Step 6: Final answer
   x = 23,872.42