Finding the Fourth Proportional to 5,131.83, 7,081.93 and 2,773.97

Step by Step Solution

1. Step 1: Write the proportion equation
   5,131.83 : 7,081.93 = 2,773.97 : x
2. Step 2: Convert to fraction form
   5,131.83/7,081.93 = 2,773.97/x
3. Step 3: Cross multiply
   5,131.83x = 7,081.93 × 2,773.97
4. Step 4: Simplify right side
   5,131.83x = 19,645,055.98
5. Step 5: Solve for x
   x = 19,645,055.98/5,131.83
6. Step 6: Final answer
   x = 3,828.08