Finding the Fourth Proportional to 63,680.98, 87,880.55 and 35,003.78

Step by Step Solution

1. Step 1: Write the proportion equation
   63,680.98 : 87,880.55 = 35,003.78 : x
2. Step 2: Convert to fraction form
   63,680.98/87,880.55 = 35,003.78/x
3. Step 3: Cross multiply
   63,680.98x = 87,880.55 × 35,003.78
4. Step 4: Simplify right side
   63,680.98x = 3,076,151,086.59
5. Step 5: Solve for x
   x = 3,076,151,086.59/63,680.98
6. Step 6: Final answer
   x = 48,305.65