Finding the Fourth Proportional to 65,919.88, 90,974.10 and 37,629.82

Step by Step Solution

1. Step 1: Write the proportion equation
   65,919.88 : 90,974.10 = 37,629.82 : x
2. Step 2: Convert to fraction form
   65,919.88/90,974.10 = 37,629.82/x
3. Step 3: Cross multiply
   65,919.88x = 90,974.10 × 37,629.82
4. Step 4: Simplify right side
   65,919.88x = 3,423,339,007.66
5. Step 5: Solve for x
   x = 3,423,339,007.66/65,919.88
6. Step 6: Final answer
   x = 51,931.81