Finding the Fourth Proportional to 65,908.14, 90,962.91 and 37,620.78

Step by Step Solution

1. Step 1: Write the proportion equation
   65,908.14 : 90,962.91 = 37,620.78 : x
2. Step 2: Convert to fraction form
   65,908.14/90,962.91 = 37,620.78/x
3. Step 3: Cross multiply
   65,908.14x = 90,962.91 × 37,620.78
4. Step 4: Simplify right side
   65,908.14x = 3,422,095,625.27
5. Step 5: Solve for x
   x = 3,422,095,625.27/65,908.14
6. Step 6: Final answer
   x = 51,922.20