Finding the Fourth Proportional to 277,490.18, 382,939.15 and 150,168.42

Step by Step Solution

1. Step 1: Write the proportion equation
   277,490.18 : 382,939.15 = 150,168.42 : x
2. Step 2: Convert to fraction form
   277,490.18/382,939.15 = 150,168.42/x
3. Step 3: Cross multiply
   277,490.18x = 382,939.15 × 150,168.42
4. Step 4: Simplify right side
   277,490.18x = 57,505,367,111.64
5. Step 5: Solve for x
   x = 57,505,367,111.64/277,490.18
6. Step 6: Final answer
   x = 207,233.88