Finding the Fourth Proportional to 63,276.72, 87,319.80 and 34,978.56

Step by Step Solution

1. Step 1: Write the proportion equation
   63,276.72 : 87,319.80 = 34,978.56 : x
2. Step 2: Convert to fraction form
   63,276.72/87,319.80 = 34,978.56/x
3. Step 3: Cross multiply
   63,276.72x = 87,319.80 × 34,978.56
4. Step 4: Simplify right side
   63,276.72x = 3,054,320,863.49
5. Step 5: Solve for x
   x = 3,054,320,863.49/63,276.72
6. Step 6: Final answer
   x = 48,269.27