Finding the Fourth Proportional to 30,831.99, 42,547.25 and 17,404.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,831.99 : 42,547.25 = 17,404.50 : x
2. Step 2: Convert to fraction form
   30,831.99/42,547.25 = 17,404.50/x
3. Step 3: Cross multiply
   30,831.99x = 42,547.25 × 17,404.50
4. Step 4: Simplify right side
   30,831.99x = 740,513,407.75
5. Step 5: Solve for x
   x = 740,513,407.75/30,831.99
6. Step 6: Final answer
   x = 24,017.70