Finding the Fourth Proportional to 278,111.64, 383,796.72 and 150,787.56

Step by Step Solution

1. Step 1: Write the proportion equation
   278,111.64 : 383,796.72 = 150,787.56 : x
2. Step 2: Convert to fraction form
   278,111.64/383,796.72 = 150,787.56/x
3. Step 3: Cross multiply
   278,111.64x = 383,796.72 × 150,787.56
4. Step 4: Simplify right side
   278,111.64x = 57,871,770,944.80
5. Step 5: Solve for x
   x = 57,871,770,944.80/278,111.64
6. Step 6: Final answer
   x = 208,088.27