Finding the Fourth Proportional to 30,711, 42,381.35 and 17,282.48

Step by Step Solution

1. Step 1: Write the proportion equation
   30,711 : 42,381.35 = 17,282.48 : x
2. Step 2: Convert to fraction form
   30,711/42,381.35 = 17,282.48/x
3. Step 3: Cross multiply
   30,711x = 42,381.35 × 17,282.48
4. Step 4: Simplify right side
   30,711x = 732,454,833.75
5. Step 5: Solve for x
   x = 732,454,833.75/30,711
6. Step 6: Final answer
   x = 23,849.92