Finding the Fourth Proportional to 42,548.22, 63,825.57 and 12,968.37

Step by Step Solution

1. Step 1: Write the proportion equation
   42,548.22 : 63,825.57 = 12,968.37 : x
2. Step 2: Convert to fraction form
   42,548.22/63,825.57 = 12,968.37/x
3. Step 3: Cross multiply
   42,548.22x = 63,825.57 × 12,968.37
4. Step 4: Simplify right side
   42,548.22x = 827,713,607.22
5. Step 5: Solve for x
   x = 827,713,607.22/42,548.22
6. Step 6: Final answer
   x = 19,453.54