Finding the Fourth Proportional to 63,399.43, 87,485.07 and 37,900.72

Step by Step Solution

1. Step 1: Write the proportion equation
   63,399.43 : 87,485.07 = 37,900.72 : x
2. Step 2: Convert to fraction form
   63,399.43/87,485.07 = 37,900.72/x
3. Step 3: Cross multiply
   63,399.43x = 87,485.07 × 37,900.72
4. Step 4: Simplify right side
   63,399.43x = 3,315,747,142.25
5. Step 5: Solve for x
   x = 3,315,747,142.25/63,399.43
6. Step 6: Final answer
   x = 52,299.32