Finding the Fourth Proportional to 5,112.59, 7,055.31 and 2,843.91

Step by Step Solution

1. Step 1: Write the proportion equation
   5,112.59 : 7,055.31 = 2,843.91 : x
2. Step 2: Convert to fraction form
   5,112.59/7,055.31 = 2,843.91/x
3. Step 3: Cross multiply
   5,112.59x = 7,055.31 × 2,843.91
4. Step 4: Simplify right side
   5,112.59x = 20,064,663.33
5. Step 5: Solve for x
   x = 20,064,663.33/5,112.59
6. Step 6: Final answer
   x = 3,924.56