Finding the Fourth Proportional to 30,872.34, 42,603.57 and 17,446.86

Step by Step Solution

1. Step 1: Write the proportion equation
   30,872.34 : 42,603.57 = 17,446.86 : x
2. Step 2: Convert to fraction form
   30,872.34/42,603.57 = 17,446.86/x
3. Step 3: Cross multiply
   30,872.34x = 42,603.57 × 17,446.86
4. Step 4: Simplify right side
   30,872.34x = 743,298,521.29
5. Step 5: Solve for x
   x = 743,298,521.29/30,872.34
6. Step 6: Final answer
   x = 24,076.52