Finding the Fourth Proportional to 30,963.72, 42,732.72 and 17,538.24

Step by Step Solution

1. Step 1: Write the proportion equation
   30,963.72 : 42,732.72 = 17,538.24 : x
2. Step 2: Convert to fraction form
   30,963.72/42,732.72 = 17,538.24/x
3. Step 3: Cross multiply
   30,963.72x = 42,732.72 × 17,538.24
4. Step 4: Simplify right side
   30,963.72x = 749,456,699.21
5. Step 5: Solve for x
   x = 749,456,699.21/30,963.72
6. Step 6: Final answer
   x = 24,204.35