Finding the Fourth Proportional to 474,404.72, 654,685.89 and 259,548.37

Step by Step Solution

1. Step 1: Write the proportion equation
   474,404.72 : 654,685.89 = 259,548.37 : x
2. Step 2: Convert to fraction form
   474,404.72/654,685.89 = 259,548.37/x
3. Step 3: Cross multiply
   474,404.72x = 654,685.89 × 259,548.37
4. Step 4: Simplify right side
   474,404.72x = 169,922,651,040.33
5. Step 5: Solve for x
   x = 169,922,651,040.33/474,404.72
6. Step 6: Final answer
   x = 358,180.78