Finding the Fourth Proportional to 449,498.61, 674,273.82 and 169,018.29

Step by Step Solution

1. Step 1: Write the proportion equation
   449,498.61 : 674,273.82 = 169,018.29 : x
2. Step 2: Convert to fraction form
   449,498.61/674,273.82 = 169,018.29/x
3. Step 3: Cross multiply
   449,498.61x = 674,273.82 × 169,018.29
4. Step 4: Simplify right side
   449,498.61x = 113,964,608,048.17
5. Step 5: Solve for x
   x = 113,964,608,048.17/449,498.61
6. Step 6: Final answer
   x = 253,537.18