Finding the Fourth Proportional to 65,995.98, 91,067.64 and 40,503.42

Step by Step Solution

1. Step 1: Write the proportion equation
   65,995.98 : 91,067.64 = 40,503.42 : x
2. Step 2: Convert to fraction form
   65,995.98/91,067.64 = 40,503.42/x
3. Step 3: Cross multiply
   65,995.98x = 91,067.64 × 40,503.42
4. Step 4: Simplify right side
   65,995.98x = 3,688,550,871.33
5. Step 5: Solve for x
   x = 3,688,550,871.33/65,995.98
6. Step 6: Final answer
   x = 55,890.54