Finding the Fourth Proportional to 63,072.72, 87,039.99 and 34,778.43

Step by Step Solution

1. Step 1: Write the proportion equation
   63,072.72 : 87,039.99 = 34,778.43 : x
2. Step 2: Convert to fraction form
   63,072.72/87,039.99 = 34,778.43/x
3. Step 3: Cross multiply
   63,072.72x = 87,039.99 × 34,778.43
4. Step 4: Simplify right side
   63,072.72x = 3,027,114,199.42
5. Step 5: Solve for x
   x = 3,027,114,199.42/63,072.72
6. Step 6: Final answer
   x = 47,994.03