Finding the Fourth Proportional to 3,876.89, 5,347.82 and 2,438.96

Step by Step Solution

1. Step 1: Write the proportion equation
   3,876.89 : 5,347.82 = 2,438.96 : x
2. Step 2: Convert to fraction form
   3,876.89/5,347.82 = 2,438.96/x
3. Step 3: Cross multiply
   3,876.89x = 5,347.82 × 2,438.96
4. Step 4: Simplify right side
   3,876.89x = 13,043,128.51
5. Step 5: Solve for x
   x = 13,043,128.51/3,876.89
6. Step 6: Final answer
   x = 3,364.33