Finding the Fourth Proportional to 267,085.98, 368,577.45 and 144,578.46

Step by Step Solution

1. Step 1: Write the proportion equation
   267,085.98 : 368,577.45 = 144,578.46 : x
2. Step 2: Convert to fraction form
   267,085.98/368,577.45 = 144,578.46/x
3. Step 3: Cross multiply
   267,085.98x = 368,577.45 × 144,578.46
4. Step 4: Simplify right side
   267,085.98x = 53,288,360,111.73
5. Step 5: Solve for x
   x = 53,288,360,111.73/267,085.98
6. Step 6: Final answer
   x = 199,517.62