Finding the Fourth Proportional to 300,076.10, 414,155.94 and 172,825.38

Step by Step Solution

1. Step 1: Write the proportion equation
   300,076.10 : 414,155.94 = 172,825.38 : x
2. Step 2: Convert to fraction form
   300,076.10/414,155.94 = 172,825.38/x
3. Step 3: Cross multiply
   300,076.10x = 414,155.94 × 172,825.38
4. Step 4: Simplify right side
   300,076.10x = 71,576,657,709.76
5. Step 5: Solve for x
   x = 71,576,657,709.76/300,076.10
6. Step 6: Final answer
   x = 238,528.35