Finding the Fourth Proportional to 30,831.42, 42,549.58 and 17,403.82

Step by Step Solution

1. Step 1: Write the proportion equation
   30,831.42 : 42,549.58 = 17,403.82 : x
2. Step 2: Convert to fraction form
   30,831.42/42,549.58 = 17,403.82/x
3. Step 3: Cross multiply
   30,831.42x = 42,549.58 × 17,403.82
4. Step 4: Simplify right side
   30,831.42x = 740,525,231.40
5. Step 5: Solve for x
   x = 740,525,231.40/30,831.42
6. Step 6: Final answer
   x = 24,018.52