Finding the Fourth Proportional to 201,419.87, 277,963.86 and 110,780.42

Step by Step Solution

1. Step 1: Write the proportion equation
   201,419.87 : 277,963.86 = 110,780.42 : x
2. Step 2: Convert to fraction form
   201,419.87/277,963.86 = 110,780.42/x
3. Step 3: Cross multiply
   201,419.87x = 277,963.86 × 110,780.42
4. Step 4: Simplify right side
   201,419.87x = 30,792,953,155.62
5. Step 5: Solve for x
   x = 30,792,953,155.62/201,419.87
6. Step 6: Final answer
   x = 152,879.42