Finding the Fourth Proportional to 63,443.39, 87,512.27 and 40,811.88

Step by Step Solution

1. Step 1: Write the proportion equation
   63,443.39 : 87,512.27 = 40,811.88 : x
2. Step 2: Convert to fraction form
   63,443.39/87,512.27 = 40,811.88/x
3. Step 3: Cross multiply
   63,443.39x = 87,512.27 × 40,811.88
4. Step 4: Simplify right side
   63,443.39x = 3,571,540,057.71
5. Step 5: Solve for x
   x = 3,571,540,057.71/63,443.39
6. Step 6: Final answer
   x = 56,294.92