Finding the Fourth Proportional to 3,509.56, 4,843.29 and 2,111.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,509.56 : 4,843.29 = 2,111.50 : x
2. Step 2: Convert to fraction form
   3,509.56/4,843.29 = 2,111.50/x
3. Step 3: Cross multiply
   3,509.56x = 4,843.29 × 2,111.50
4. Step 4: Simplify right side
   3,509.56x = 10,226,606.84
5. Step 5: Solve for x
   x = 10,226,606.84/3,509.56
6. Step 6: Final answer
   x = 2,913.93