Finding the Fourth Proportional to 65,077.32, 89,811.27 and 36,783.21

Step by Step Solution

1. Step 1: Write the proportion equation
   65,077.32 : 89,811.27 = 36,783.21 : x
2. Step 2: Convert to fraction form
   65,077.32/89,811.27 = 36,783.21/x
3. Step 3: Cross multiply
   65,077.32x = 89,811.27 × 36,783.21
4. Step 4: Simplify right side
   65,077.32x = 3,303,546,804.78
5. Step 5: Solve for x
   x = 3,303,546,804.78/65,077.32
6. Step 6: Final answer
   x = 50,763.41