Finding the Fourth Proportional to 456,760.63, 685,124.54 and 119,798.61

Step by Step Solution

1. Step 1: Write the proportion equation
   456,760.63 : 685,124.54 = 119,798.61 : x
2. Step 2: Convert to fraction form
   456,760.63/685,124.54 = 119,798.61/x
3. Step 3: Cross multiply
   456,760.63x = 685,124.54 × 119,798.61
4. Step 4: Simplify right side
   456,760.63x = 82,076,967,568.89
5. Step 5: Solve for x
   x = 82,076,967,568.89/456,760.63
6. Step 6: Final answer
   x = 179,693.61