Finding the Fourth Proportional to 2,141.81, 2,957.51 and 1,513.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,141.81 : 2,957.51 = 1,513.72 : x
2. Step 2: Convert to fraction form
   2,141.81/2,957.51 = 1,513.72/x
3. Step 3: Cross multiply
   2,141.81x = 2,957.51 × 1,513.72
4. Step 4: Simplify right side
   2,141.81x = 4,476,849.52
5. Step 5: Solve for x
   x = 4,476,849.52/2,141.81
6. Step 6: Final answer
   x = 2,090.22