Finding the Fourth Proportional to 2,131.71, 2,935.41 and 2,083.19

Step by Step Solution

1. Step 1: Write the proportion equation
   2,131.71 : 2,935.41 = 2,083.19 : x
2. Step 2: Convert to fraction form
   2,131.71/2,935.41 = 2,083.19/x
3. Step 3: Cross multiply
   2,131.71x = 2,935.41 × 2,083.19
4. Step 4: Simplify right side
   2,131.71x = 6,115,016.76
5. Step 5: Solve for x
   x = 6,115,016.76/2,131.71
6. Step 6: Final answer
   x = 2,868.60