Finding the Fourth Proportional to 3,858.37, 5,327.15 and 2,534.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,858.37 : 5,327.15 = 2,534.31 : x
2. Step 2: Convert to fraction form
   3,858.37/5,327.15 = 2,534.31/x
3. Step 3: Cross multiply
   3,858.37x = 5,327.15 × 2,534.31
4. Step 4: Simplify right side
   3,858.37x = 13,500,636.84
5. Step 5: Solve for x
   x = 13,500,636.84/3,858.37
6. Step 6: Final answer
   x = 3,499.05