Finding the Fourth Proportional to 65,112.32, 89,859.46 and 36,434.70

Step by Step Solution

1. Step 1: Write the proportion equation
   65,112.32 : 89,859.46 = 36,434.70 : x
2. Step 2: Convert to fraction form
   65,112.32/89,859.46 = 36,434.70/x
3. Step 3: Cross multiply
   65,112.32x = 89,859.46 × 36,434.70
4. Step 4: Simplify right side
   65,112.32x = 3,274,002,467.26
5. Step 5: Solve for x
   x = 3,274,002,467.26/65,112.32
6. Step 6: Final answer
   x = 50,282.38