Finding the Fourth Proportional to 175,785.72, 263,676.34 and 42,667

Step by Step Solution

1. Step 1: Write the proportion equation
   175,785.72 : 263,676.34 = 42,667 : x
2. Step 2: Convert to fraction form
   175,785.72/263,676.34 = 42,667/x
3. Step 3: Cross multiply
   175,785.72x = 263,676.34 × 42,667
4. Step 4: Simplify right side
   175,785.72x = 11,250,278,398.78
5. Step 5: Solve for x
   x = 11,250,278,398.78/175,785.72
6. Step 6: Final answer
   x = 63,999.96