Finding the Fourth Proportional to 65,446.52, 90,361.78 and 43,968.96

Step by Step Solution

1. Step 1: Write the proportion equation
   65,446.52 : 90,361.78 = 43,968.96 : x
2. Step 2: Convert to fraction form
   65,446.52/90,361.78 = 43,968.96/x
3. Step 3: Cross multiply
   65,446.52x = 90,361.78 × 43,968.96
4. Step 4: Simplify right side
   65,446.52x = 3,973,113,380.43
5. Step 5: Solve for x
   x = 3,973,113,380.43/65,446.52
6. Step 6: Final answer
   x = 60,707.79