Finding the Fourth Proportional to 65,118.24, 89,863.20 and 36,438.24

Step by Step Solution

1. Step 1: Write the proportion equation
   65,118.24 : 89,863.20 = 36,438.24 : x
2. Step 2: Convert to fraction form
   65,118.24/89,863.20 = 36,438.24/x
3. Step 3: Cross multiply
   65,118.24x = 89,863.20 × 36,438.24
4. Step 4: Simplify right side
   65,118.24x = 3,274,456,848.77
5. Step 5: Solve for x
   x = 3,274,456,848.77/65,118.24
6. Step 6: Final answer
   x = 50,284.79