Finding the Fourth Proportional to 3,527.82, 4,868.39 and 2,111.57

Step by Step Solution

1. Step 1: Write the proportion equation
   3,527.82 : 4,868.39 = 2,111.57 : x
2. Step 2: Convert to fraction form
   3,527.82/4,868.39 = 2,111.57/x
3. Step 3: Cross multiply
   3,527.82x = 4,868.39 × 2,111.57
4. Step 4: Simplify right side
   3,527.82x = 10,279,935.71
5. Step 5: Solve for x
   x = 10,279,935.71/3,527.82
6. Step 6: Final answer
   x = 2,913.96