Finding the Fourth Proportional to 5,394.84, 8,086.50 and 3,851.16

Step by Step Solution

1. Step 1: Write the proportion equation
   5,394.84 : 8,086.50 = 3,851.16 : x
2. Step 2: Convert to fraction form
   5,394.84/8,086.50 = 3,851.16/x
3. Step 3: Cross multiply
   5,394.84x = 8,086.50 × 3,851.16
4. Step 4: Simplify right side
   5,394.84x = 31,142,405.34
5. Step 5: Solve for x
   x = 31,142,405.34/5,394.84
6. Step 6: Final answer
   x = 5,772.63