Finding the Fourth Proportional to 65,621.99, 90,557.56 and 37,327.61

Step by Step Solution

1. Step 1: Write the proportion equation
   65,621.99 : 90,557.56 = 37,327.61 : x
2. Step 2: Convert to fraction form
   65,621.99/90,557.56 = 37,327.61/x
3. Step 3: Cross multiply
   65,621.99x = 90,557.56 × 37,327.61
4. Step 4: Simplify right side
   65,621.99x = 3,380,297,555.29
5. Step 5: Solve for x
   x = 3,380,297,555.29/65,621.99
6. Step 6: Final answer
   x = 51,511.66