Finding the Fourth Proportional to 2,528.67, 3,790.71 and 2,141.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,528.67 : 3,790.71 = 2,141.16 : x
2. Step 2: Convert to fraction form
   2,528.67/3,790.71 = 2,141.16/x
3. Step 3: Cross multiply
   2,528.67x = 3,790.71 × 2,141.16
4. Step 4: Simplify right side
   2,528.67x = 8,116,516.62
5. Step 5: Solve for x
   x = 8,116,516.62/2,528.67
6. Step 6: Final answer
   x = 3,209.80