Finding the Fourth Proportional to 65,996.98, 91,069.02 and 40,504.42

Step by Step Solution

1. Step 1: Write the proportion equation
   65,996.98 : 91,069.02 = 40,504.42 : x
2. Step 2: Convert to fraction form
   65,996.98/91,069.02 = 40,504.42/x
3. Step 3: Cross multiply
   65,996.98x = 91,069.02 × 40,504.42
4. Step 4: Simplify right side
   65,996.98x = 3,688,697,835.07
5. Step 5: Solve for x
   x = 3,688,697,835.07/65,996.98
6. Step 6: Final answer
   x = 55,891.92