Finding the Fourth Proportional to 201,938.25, 278,676.72 and 111,297.54

Step by Step Solution

1. Step 1: Write the proportion equation
   201,938.25 : 278,676.72 = 111,297.54 : x
2. Step 2: Convert to fraction form
   201,938.25/278,676.72 = 111,297.54/x
3. Step 3: Cross multiply
   201,938.25x = 278,676.72 × 111,297.54
4. Step 4: Simplify right side
   201,938.25x = 31,016,033,391.27
5. Step 5: Solve for x
   x = 31,016,033,391.27/201,938.25
6. Step 6: Final answer
   x = 153,591.67