Finding the Fourth Proportional to 488,849.98, 674,601.43 and 271,057.59

Step by Step Solution

1. Step 1: Write the proportion equation
   488,849.98 : 674,601.43 = 271,057.59 : x
2. Step 2: Convert to fraction form
   488,849.98/674,601.43 = 271,057.59/x
3. Step 3: Cross multiply
   488,849.98x = 674,601.43 × 271,057.59
4. Step 4: Simplify right side
   488,849.98x = 182,855,837,826.35
5. Step 5: Solve for x
   x = 182,855,837,826.35/488,849.98
6. Step 6: Final answer
   x = 374,053.07