Finding the Fourth Proportional to 271,289.89, 374,384.55 and 150,436.27

Step by Step Solution

1. Step 1: Write the proportion equation
   271,289.89 : 374,384.55 = 150,436.27 : x
2. Step 2: Convert to fraction form
   271,289.89/374,384.55 = 150,436.27/x
3. Step 3: Cross multiply
   271,289.89x = 374,384.55 × 150,436.27
4. Step 4: Simplify right side
   271,289.89x = 56,321,015,247.63
5. Step 5: Solve for x
   x = 56,321,015,247.63/271,289.89
6. Step 6: Final answer
   x = 207,604.55