Finding the Fourth Proportional to 30,882.18, 42,617.22 and 17,457.78

Step by Step Solution

1. Step 1: Write the proportion equation
   30,882.18 : 42,617.22 = 17,457.78 : x
2. Step 2: Convert to fraction form
   30,882.18/42,617.22 = 17,457.78/x
3. Step 3: Cross multiply
   30,882.18x = 42,617.22 × 17,457.78
4. Step 4: Simplify right side
   30,882.18x = 744,002,050.97
5. Step 5: Solve for x
   x = 744,002,050.97/30,882.18
6. Step 6: Final answer
   x = 24,091.63