Finding the Fourth Proportional to 63,581.69, 87,522.39 and 54,963.77

Step by Step Solution

1. Step 1: Write the proportion equation
   63,581.69 : 87,522.39 = 54,963.77 : x
2. Step 2: Convert to fraction form
   63,581.69/87,522.39 = 54,963.77/x
3. Step 3: Cross multiply
   63,581.69x = 87,522.39 × 54,963.77
4. Step 4: Simplify right side
   63,581.69x = 4,810,560,076.20
5. Step 5: Solve for x
   x = 4,810,560,076.20/63,581.69
6. Step 6: Final answer
   x = 75,659.52