Finding the Fourth Proportional to 19,142.48, 28,719.48 and 5,996.72

Step by Step Solution

1. Step 1: Write the proportion equation
   19,142.48 : 28,719.48 = 5,996.72 : x
2. Step 2: Convert to fraction form
   19,142.48/28,719.48 = 5,996.72/x
3. Step 3: Cross multiply
   19,142.48x = 28,719.48 × 5,996.72
4. Step 4: Simplify right side
   19,142.48x = 172,222,680.11
5. Step 5: Solve for x
   x = 172,222,680.11/19,142.48
6. Step 6: Final answer
   x = 8,996.88