Finding the Fourth Proportional to 20,142.34, 30,192.41 and 7,654.57

Step by Step Solution

1. Step 1: Write the proportion equation
   20,142.34 : 30,192.41 = 7,654.57 : x
2. Step 2: Convert to fraction form
   20,142.34/30,192.41 = 7,654.57/x
3. Step 3: Cross multiply
   20,142.34x = 30,192.41 × 7,654.57
4. Step 4: Simplify right side
   20,142.34x = 231,109,859.47
5. Step 5: Solve for x
   x = 231,109,859.47/20,142.34
6. Step 6: Final answer
   x = 11,473.84