Finding the Fourth Proportional to 262,760.17, 394,123.83 and 104,875.15

Step by Step Solution

1. Step 1: Write the proportion equation
   262,760.17 : 394,123.83 = 104,875.15 : x
2. Step 2: Convert to fraction form
   262,760.17/394,123.83 = 104,875.15/x
3. Step 3: Cross multiply
   262,760.17x = 394,123.83 × 104,875.15
4. Step 4: Simplify right side
   262,760.17x = 41,333,795,789.82
5. Step 5: Solve for x
   x = 41,333,795,789.82/262,760.17
6. Step 6: Final answer
   x = 157,306.17