Finding the Fourth Proportional to 497,488.52, 686,534.82 and 271,134.02

Step by Step Solution

1. Step 1: Write the proportion equation
   497,488.52 : 686,534.82 = 271,134.02 : x
2. Step 2: Convert to fraction form
   497,488.52/686,534.82 = 271,134.02/x
3. Step 3: Cross multiply
   497,488.52x = 686,534.82 × 271,134.02
4. Step 4: Simplify right side
   497,488.52x = 186,142,945,616.58
5. Step 5: Solve for x
   x = 186,142,945,616.58/497,488.52
6. Step 6: Final answer
   x = 374,165.31