Finding the Fourth Proportional to 277,612.72, 383,106.42 and 150,288.01

Step by Step Solution

1. Step 1: Write the proportion equation
   277,612.72 : 383,106.42 = 150,288.01 : x
2. Step 2: Convert to fraction form
   277,612.72/383,106.42 = 150,288.01/x
3. Step 3: Cross multiply
   277,612.72x = 383,106.42 × 150,288.01
4. Step 4: Simplify right side
   277,612.72x = 57,576,301,104.30
5. Step 5: Solve for x
   x = 57,576,301,104.30/277,612.72
6. Step 6: Final answer
   x = 207,397.92