Finding the Fourth Proportional to 11,631.74, 16,057.31 and 7,442.42

Step by Step Solution

1. Step 1: Write the proportion equation
   11,631.74 : 16,057.31 = 7,442.42 : x
2. Step 2: Convert to fraction form
   11,631.74/16,057.31 = 7,442.42/x
3. Step 3: Cross multiply
   11,631.74x = 16,057.31 × 7,442.42
4. Step 4: Simplify right side
   11,631.74x = 119,505,127.59
5. Step 5: Solve for x
   x = 119,505,127.59/11,631.74
6. Step 6: Final answer
   x = 10,274.06