Finding the Fourth Proportional to 30,612.84, 42,244 and 17,182.88

Step by Step Solution

1. Step 1: Write the proportion equation
   30,612.84 : 42,244 = 17,182.88 : x
2. Step 2: Convert to fraction form
   30,612.84/42,244 = 17,182.88/x
3. Step 3: Cross multiply
   30,612.84x = 42,244 × 17,182.88
4. Step 4: Simplify right side
   30,612.84x = 725,873,582.72
5. Step 5: Solve for x
   x = 725,873,582.72/30,612.84
6. Step 6: Final answer
   x = 23,711.41