Finding the Fourth Proportional to 42,548.43, 63,832.04 and 12,968.57

Step by Step Solution

1. Step 1: Write the proportion equation
   42,548.43 : 63,832.04 = 12,968.57 : x
2. Step 2: Convert to fraction form
   42,548.43/63,832.04 = 12,968.57/x
3. Step 3: Cross multiply
   42,548.43x = 63,832.04 × 12,968.57
4. Step 4: Simplify right side
   42,548.43x = 827,810,134.82
5. Step 5: Solve for x
   x = 827,810,134.82/42,548.43
6. Step 6: Final answer
   x = 19,455.72