Finding the Fourth Proportional to 3,536.37, 4,878.77 and 2,136.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,536.37 : 4,878.77 = 2,136.69 : x
2. Step 2: Convert to fraction form
   3,536.37/4,878.77 = 2,136.69/x
3. Step 3: Cross multiply
   3,536.37x = 4,878.77 × 2,136.69
4. Step 4: Simplify right side
   3,536.37x = 10,424,408.39
5. Step 5: Solve for x
   x = 10,424,408.39/3,536.37
6. Step 6: Final answer
   x = 2,947.77