Finding the Fourth Proportional to 5,131.82, 7,081.90 and 2,773.96

Step by Step Solution

1. Step 1: Write the proportion equation
   5,131.82 : 7,081.90 = 2,773.96 : x
2. Step 2: Convert to fraction form
   5,131.82/7,081.90 = 2,773.96/x
3. Step 3: Cross multiply
   5,131.82x = 7,081.90 × 2,773.96
4. Step 4: Simplify right side
   5,131.82x = 19,644,874.61
5. Step 5: Solve for x
   x = 19,644,874.61/5,131.82
6. Step 6: Final answer
   x = 3,828.06