Finding the Fourth Proportional to 5,276.28, 7,905.78 and 3,808.56

Step by Step Solution

1. Step 1: Write the proportion equation
   5,276.28 : 7,905.78 = 3,808.56 : x
2. Step 2: Convert to fraction form
   5,276.28/7,905.78 = 3,808.56/x
3. Step 3: Cross multiply
   5,276.28x = 7,905.78 × 3,808.56
4. Step 4: Simplify right side
   5,276.28x = 30,109,637.48
5. Step 5: Solve for x
   x = 30,109,637.48/5,276.28
6. Step 6: Final answer
   x = 5,706.60