Finding the Fourth Proportional to 277,519.50, 382,976.91 and 150,196.05

Step by Step Solution

1. Step 1: Write the proportion equation
   277,519.50 : 382,976.91 = 150,196.05 : x
2. Step 2: Convert to fraction form
   277,519.50/382,976.91 = 150,196.05/x
3. Step 3: Cross multiply
   277,519.50x = 382,976.91 × 150,196.05
4. Step 4: Simplify right side
   277,519.50x = 57,521,619,123.21
5. Step 5: Solve for x
   x = 57,521,619,123.21/277,519.50
6. Step 6: Final answer
   x = 207,270.55