Finding the Fourth Proportional to 3,888.96, 5,836.35 and 2,243.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,888.96 : 5,836.35 = 2,243.31 : x
2. Step 2: Convert to fraction form
   3,888.96/5,836.35 = 2,243.31/x
3. Step 3: Cross multiply
   3,888.96x = 5,836.35 × 2,243.31
4. Step 4: Simplify right side
   3,888.96x = 13,092,742.32
5. Step 5: Solve for x
   x = 13,092,742.32/3,888.96
6. Step 6: Final answer
   x = 3,366.64