Finding the Fourth Proportional to 63,059.91, 86,973.44 and 40,401

Step by Step Solution

1. Step 1: Write the proportion equation
   63,059.91 : 86,973.44 = 40,401 : x
2. Step 2: Convert to fraction form
   63,059.91/86,973.44 = 40,401/x
3. Step 3: Cross multiply
   63,059.91x = 86,973.44 × 40,401
4. Step 4: Simplify right side
   63,059.91x = 3,513,813,747.44
5. Step 5: Solve for x
   x = 3,513,813,747.44/63,059.91
6. Step 6: Final answer
   x = 55,721.83