Finding the Fourth Proportional to 3,526.72, 4,866.73 and 2,109.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,526.72 : 4,866.73 = 2,109.56 : x
2. Step 2: Convert to fraction form
   3,526.72/4,866.73 = 2,109.56/x
3. Step 3: Cross multiply
   3,526.72x = 4,866.73 × 2,109.56
4. Step 4: Simplify right side
   3,526.72x = 10,266,629.33
5. Step 5: Solve for x
   x = 10,266,629.33/3,526.72
6. Step 6: Final answer
   x = 2,911.10