Finding the Fourth Proportional to 304,476.31, 456,413.25 and 144,270.82

Step by Step Solution

1. Step 1: Write the proportion equation
   304,476.31 : 456,413.25 = 144,270.82 : x
2. Step 2: Convert to fraction form
   304,476.31/456,413.25 = 144,270.82/x
3. Step 3: Cross multiply
   304,476.31x = 456,413.25 × 144,270.82
4. Step 4: Simplify right side
   304,476.31x = 65,847,111,554.30
5. Step 5: Solve for x
   x = 65,847,111,554.30/304,476.31
6. Step 6: Final answer
   x = 216,263.50