Finding the Fourth Proportional to 201,429.34, 277,974.38 and 109,549.46

Step by Step Solution

1. Step 1: Write the proportion equation
   201,429.34 : 277,974.38 = 109,549.46 : x
2. Step 2: Convert to fraction form
   201,429.34/277,974.38 = 109,549.46/x
3. Step 3: Cross multiply
   201,429.34x = 277,974.38 × 109,549.46
4. Step 4: Simplify right side
   201,429.34x = 30,451,943,222.83
5. Step 5: Solve for x
   x = 30,451,943,222.83/201,429.34
6. Step 6: Final answer
   x = 151,179.28