Finding the Fourth Proportional to 344,404.69, 475,284.15 and 189,362.54

Step by Step Solution

1. Step 1: Write the proportion equation
   344,404.69 : 475,284.15 = 189,362.54 : x
2. Step 2: Convert to fraction form
   344,404.69/475,284.15 = 189,362.54/x
3. Step 3: Cross multiply
   344,404.69x = 475,284.15 × 189,362.54
4. Step 4: Simplify right side
   344,404.69x = 90,001,015,053.95
5. Step 5: Solve for x
   x = 90,001,015,053.95/344,404.69
6. Step 6: Final answer
   x = 261,323.43