Finding the Fourth Proportional to 63,768.47, 95,667.28 and 19,401.53

Step by Step Solution

1. Step 1: Write the proportion equation
   63,768.47 : 95,667.28 = 19,401.53 : x
2. Step 2: Convert to fraction form
   63,768.47/95,667.28 = 19,401.53/x
3. Step 3: Cross multiply
   63,768.47x = 95,667.28 × 19,401.53
4. Step 4: Simplify right side
   63,768.47x = 1,856,091,076.10
5. Step 5: Solve for x
   x = 1,856,091,076.10/63,768.47
6. Step 6: Final answer
   x = 29,106.72