Finding the Fourth Proportional to 30,672.76, 42,329.91 and 17,248.24

Step by Step Solution

1. Step 1: Write the proportion equation
   30,672.76 : 42,329.91 = 17,248.24 : x
2. Step 2: Convert to fraction form
   30,672.76/42,329.91 = 17,248.24/x
3. Step 3: Cross multiply
   30,672.76x = 42,329.91 × 17,248.24
4. Step 4: Simplify right side
   30,672.76x = 730,116,446.86
5. Step 5: Solve for x
   x = 730,116,446.86/30,672.76
6. Step 6: Final answer
   x = 23,803.42