Finding the Fourth Proportional to 65,578.83, 90,495.57 and 37,283.91

Step by Step Solution

1. Step 1: Write the proportion equation
   65,578.83 : 90,495.57 = 37,283.91 : x
2. Step 2: Convert to fraction form
   65,578.83/90,495.57 = 37,283.91/x
3. Step 3: Cross multiply
   65,578.83x = 90,495.57 × 37,283.91
4. Step 4: Simplify right side
   65,578.83x = 3,374,028,687.28
5. Step 5: Solve for x
   x = 3,374,028,687.28/65,578.83
6. Step 6: Final answer
   x = 51,449.97