Finding the Fourth Proportional to 65,078.82, 89,813.34 and 36,784.74

Step by Step Solution

1. Step 1: Write the proportion equation
   65,078.82 : 89,813.34 = 36,784.74 : x
2. Step 2: Convert to fraction form
   65,078.82/89,813.34 = 36,784.74/x
3. Step 3: Cross multiply
   65,078.82x = 89,813.34 × 36,784.74
4. Step 4: Simplify right side
   65,078.82x = 3,303,760,360.43
5. Step 5: Solve for x
   x = 3,303,760,360.43/65,078.82
6. Step 6: Final answer
   x = 50,765.52