Finding the Fourth Proportional to 201,062.69, 277,458.18 and 109,178.38

Step by Step Solution

1. Step 1: Write the proportion equation
   201,062.69 : 277,458.18 = 109,178.38 : x
2. Step 2: Convert to fraction form
   201,062.69/277,458.18 = 109,178.38/x
3. Step 3: Cross multiply
   201,062.69x = 277,458.18 × 109,178.38
4. Step 4: Simplify right side
   201,062.69x = 30,292,434,547.55
5. Step 5: Solve for x
   x = 30,292,434,547.55/201,062.69
6. Step 6: Final answer
   x = 150,661.64