Finding the Fourth Proportional to 277,127.82, 382,436.71 and 149,803.31

Step by Step Solution

1. Step 1: Write the proportion equation
   277,127.82 : 382,436.71 = 149,803.31 : x
2. Step 2: Convert to fraction form
   277,127.82/382,436.71 = 149,803.31/x
3. Step 3: Cross multiply
   277,127.82x = 382,436.71 × 149,803.31
4. Step 4: Simplify right side
   277,127.82x = 57,290,285,605.09
5. Step 5: Solve for x
   x = 57,290,285,605.09/277,127.82
6. Step 6: Final answer
   x = 206,728.74