Finding the Fourth Proportional to 5,703.33, 7,870.73 and 3,185.31

Step by Step Solution

1. Step 1: Write the proportion equation
   5,703.33 : 7,870.73 = 3,185.31 : x
2. Step 2: Convert to fraction form
   5,703.33/7,870.73 = 3,185.31/x
3. Step 3: Cross multiply
   5,703.33x = 7,870.73 × 3,185.31
4. Step 4: Simplify right side
   5,703.33x = 25,070,714.98
5. Step 5: Solve for x
   x = 25,070,714.98/5,703.33
6. Step 6: Final answer
   x = 4,395.80