Finding the Fourth Proportional to 63,434.72, 87,540.60 and 35,142.08

Step by Step Solution

1. Step 1: Write the proportion equation
   63,434.72 : 87,540.60 = 35,142.08 : x
2. Step 2: Convert to fraction form
   63,434.72/87,540.60 = 35,142.08/x
3. Step 3: Cross multiply
   63,434.72x = 87,540.60 × 35,142.08
4. Step 4: Simplify right side
   63,434.72x = 3,076,358,768.45
5. Step 5: Solve for x
   x = 3,076,358,768.45/63,434.72
6. Step 6: Final answer
   x = 48,496.45