Finding the Fourth Proportional to 75,786.72, 104,589.36 and 42,252

Step by Step Solution

1. Step 1: Write the proportion equation
   75,786.72 : 104,589.36 = 42,252 : x
2. Step 2: Convert to fraction form
   75,786.72/104,589.36 = 42,252/x
3. Step 3: Cross multiply
   75,786.72x = 104,589.36 × 42,252
4. Step 4: Simplify right side
   75,786.72x = 4,419,109,638.72
5. Step 5: Solve for x
   x = 4,419,109,638.72/75,786.72
6. Step 6: Final answer
   x = 58,309.82