Finding the Fourth Proportional to 5,743.42, 7,926.32 and 3,858.15

Step by Step Solution

1. Step 1: Write the proportion equation
   5,743.42 : 7,926.32 = 3,858.15 : x
2. Step 2: Convert to fraction form
   5,743.42/7,926.32 = 3,858.15/x
3. Step 3: Cross multiply
   5,743.42x = 7,926.32 × 3,858.15
4. Step 4: Simplify right side
   5,743.42x = 30,580,931.51
5. Step 5: Solve for x
   x = 30,580,931.51/5,743.42
6. Step 6: Final answer
   x = 5,324.52