Finding the Fourth Proportional to 65,379.12, 90,224.82 and 35,571.12

Step by Step Solution

1. Step 1: Write the proportion equation
   65,379.12 : 90,224.82 = 35,571.12 : x
2. Step 2: Convert to fraction form
   65,379.12/90,224.82 = 35,571.12/x
3. Step 3: Cross multiply
   65,379.12x = 90,224.82 × 35,571.12
4. Step 4: Simplify right side
   65,379.12x = 3,209,397,899.20
5. Step 5: Solve for x
   x = 3,209,397,899.20/65,379.12
6. Step 6: Final answer
   x = 49,089.03