Finding the Fourth Proportional to 3,848.58, 5,308.88 and 2,431.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,848.58 : 5,308.88 = 2,431.82 : x
2. Step 2: Convert to fraction form
   3,848.58/5,308.88 = 2,431.82/x
3. Step 3: Cross multiply
   3,848.58x = 5,308.88 × 2,431.82
4. Step 4: Simplify right side
   3,848.58x = 12,910,241.67
5. Step 5: Solve for x
   x = 12,910,241.67/3,848.58
6. Step 6: Final answer
   x = 3,354.55