Finding the Fourth Proportional to 300,541.78, 450,978.69 and 167,497.02

Step by Step Solution

1. Step 1: Write the proportion equation
   300,541.78 : 450,978.69 = 167,497.02 : x
2. Step 2: Convert to fraction form
   300,541.78/450,978.69 = 167,497.02/x
3. Step 3: Cross multiply
   300,541.78x = 450,978.69 × 167,497.02
4. Step 4: Simplify right side
   300,541.78x = 75,537,585,821.02
5. Step 5: Solve for x
   x = 75,537,585,821.02/300,541.78
6. Step 6: Final answer
   x = 251,338.05