Finding the Fourth Proportional to 65,449.98, 90,311.13 and 36,764.15

Step by Step Solution

1. Step 1: Write the proportion equation
   65,449.98 : 90,311.13 = 36,764.15 : x
2. Step 2: Convert to fraction form
   65,449.98/90,311.13 = 36,764.15/x
3. Step 3: Cross multiply
   65,449.98x = 90,311.13 × 36,764.15
4. Step 4: Simplify right side
   65,449.98x = 3,320,211,478.43
5. Step 5: Solve for x
   x = 3,320,211,478.43/65,449.98
6. Step 6: Final answer
   x = 50,728.99