Finding the Fourth Proportional to 65,441.88, 90,314.46 and 37,149.42

Step by Step Solution

1. Step 1: Write the proportion equation
   65,441.88 : 90,314.46 = 37,149.42 : x
2. Step 2: Convert to fraction form
   65,441.88/90,314.46 = 37,149.42/x
3. Step 3: Cross multiply
   65,441.88x = 90,314.46 × 37,149.42
4. Step 4: Simplify right side
   65,441.88x = 3,355,129,806.61
5. Step 5: Solve for x
   x = 3,355,129,806.61/65,441.88
6. Step 6: Final answer
   x = 51,268.85