Finding the Fourth Proportional to 63,777.88, 87,921.25 and 42,231.48

Step by Step Solution

1. Step 1: Write the proportion equation
   63,777.88 : 87,921.25 = 42,231.48 : x
2. Step 2: Convert to fraction form
   63,777.88/87,921.25 = 42,231.48/x
3. Step 3: Cross multiply
   63,777.88x = 87,921.25 × 42,231.48
4. Step 4: Simplify right side
   63,777.88x = 3,713,044,075.67
5. Step 5: Solve for x
   x = 3,713,044,075.67/63,777.88
6. Step 6: Final answer
   x = 58,218.37