Finding the Fourth Proportional to 3,881.34, 5,356.71 and 2,310.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,881.34 : 5,356.71 = 2,310.30 : x
2. Step 2: Convert to fraction form
   3,881.34/5,356.71 = 2,310.30/x
3. Step 3: Cross multiply
   3,881.34x = 5,356.71 × 2,310.30
4. Step 4: Simplify right side
   3,881.34x = 12,375,607.11
5. Step 5: Solve for x
   x = 12,375,607.11/3,881.34
6. Step 6: Final answer
   x = 3,188.49