Finding the Fourth Proportional to 3,761.79, 5,191.47 and 2,083.38

Step by Step Solution

1. Step 1: Write the proportion equation
   3,761.79 : 5,191.47 = 2,083.38 : x
2. Step 2: Convert to fraction form
   3,761.79/5,191.47 = 2,083.38/x
3. Step 3: Cross multiply
   3,761.79x = 5,191.47 × 2,083.38
4. Step 4: Simplify right side
   3,761.79x = 10,815,804.77
5. Step 5: Solve for x
   x = 10,815,804.77/3,761.79
6. Step 6: Final answer
   x = 2,875.18