Finding the Fourth Proportional to 30,448, 42,024.32 and 17,200

Step by Step Solution

1. Step 1: Write the proportion equation
   30,448 : 42,024.32 = 17,200 : x
2. Step 2: Convert to fraction form
   30,448/42,024.32 = 17,200/x
3. Step 3: Cross multiply
   30,448x = 42,024.32 × 17,200
4. Step 4: Simplify right side
   30,448x = 722,818,304
5. Step 5: Solve for x
   x = 722,818,304/30,448
6. Step 6: Final answer
   x = 23,739.43