Finding the Fourth Proportional to 3,196.45, 4,801.66 and 2,277.91

Step by Step Solution

1. Step 1: Write the proportion equation
   3,196.45 : 4,801.66 = 2,277.91 : x
2. Step 2: Convert to fraction form
   3,196.45/4,801.66 = 2,277.91/x
3. Step 3: Cross multiply
   3,196.45x = 4,801.66 × 2,277.91
4. Step 4: Simplify right side
   3,196.45x = 10,937,749.33
5. Step 5: Solve for x
   x = 10,937,749.33/3,196.45
6. Step 6: Final answer
   x = 3,421.84