Finding the Fourth Proportional to 65,404.89, 90,216.60 and 44,977.63

Step by Step Solution

1. Step 1: Write the proportion equation
   65,404.89 : 90,216.60 = 44,977.63 : x
2. Step 2: Convert to fraction form
   65,404.89/90,216.60 = 44,977.63/x
3. Step 3: Cross multiply
   65,404.89x = 90,216.60 × 44,977.63
4. Step 4: Simplify right side
   65,404.89x = 4,057,728,692.86
5. Step 5: Solve for x
   x = 4,057,728,692.86/65,404.89
6. Step 6: Final answer
   x = 62,040.14