Finding the Fourth Proportional to 30,921.43, 42,671.58 and 17,492.41

Step by Step Solution

1. Step 1: Write the proportion equation
   30,921.43 : 42,671.58 = 17,492.41 : x
2. Step 2: Convert to fraction form
   30,921.43/42,671.58 = 17,492.41/x
3. Step 3: Cross multiply
   30,921.43x = 42,671.58 × 17,492.41
4. Step 4: Simplify right side
   30,921.43x = 746,428,772.71
5. Step 5: Solve for x
   x = 746,428,772.71/30,921.43
6. Step 6: Final answer
   x = 24,139.53