Finding the Fourth Proportional to 63,072.88, 87,040.71 and 34,778.57

Step by Step Solution

1. Step 1: Write the proportion equation
   63,072.88 : 87,040.71 = 34,778.57 : x
2. Step 2: Convert to fraction form
   63,072.88/87,040.71 = 34,778.57/x
3. Step 3: Cross multiply
   63,072.88x = 87,040.71 × 34,778.57
4. Step 4: Simplify right side
   63,072.88x = 3,027,150,990.38
5. Step 5: Solve for x
   x = 3,027,150,990.38/63,072.88
6. Step 6: Final answer
   x = 47,994.50