Finding the Fourth Proportional to 65,571.72, 90,503.28 and 41,693.73

Step by Step Solution

1. Step 1: Write the proportion equation
   65,571.72 : 90,503.28 = 41,693.73 : x
2. Step 2: Convert to fraction form
   65,571.72/90,503.28 = 41,693.73/x
3. Step 3: Cross multiply
   65,571.72x = 90,503.28 × 41,693.73
4. Step 4: Simplify right side
   65,571.72x = 3,773,419,320.43
5. Step 5: Solve for x
   x = 3,773,419,320.43/65,571.72
6. Step 6: Final answer
   x = 57,546.44