Finding the Fourth Proportional to 3,516.95, 4,852.17 and 2,189.57

Step by Step Solution

1. Step 1: Write the proportion equation
   3,516.95 : 4,852.17 = 2,189.57 : x
2. Step 2: Convert to fraction form
   3,516.95/4,852.17 = 2,189.57/x
3. Step 3: Cross multiply
   3,516.95x = 4,852.17 × 2,189.57
4. Step 4: Simplify right side
   3,516.95x = 10,624,141.61
5. Step 5: Solve for x
   x = 10,624,141.61/3,516.95
6. Step 6: Final answer
   x = 3,020.84