Finding the Fourth Proportional to 119,404.62, 178,959.31 and 60,257.21

Step by Step Solution

1. Step 1: Write the proportion equation
   119,404.62 : 178,959.31 = 60,257.21 : x
2. Step 2: Convert to fraction form
   119,404.62/178,959.31 = 60,257.21/x
3. Step 3: Cross multiply
   119,404.62x = 178,959.31 × 60,257.21
4. Step 4: Simplify right side
   119,404.62x = 10,783,587,678.69
5. Step 5: Solve for x
   x = 10,783,587,678.69/119,404.62
6. Step 6: Final answer
   x = 90,311.31