Finding the Fourth Proportional to 6,882.56, 10,308.72 and 5,145.92

Step by Step Solution

1. Step 1: Write the proportion equation
   6,882.56 : 10,308.72 = 5,145.92 : x
2. Step 2: Convert to fraction form
   6,882.56/10,308.72 = 5,145.92/x
3. Step 3: Cross multiply
   6,882.56x = 10,308.72 × 5,145.92
4. Step 4: Simplify right side
   6,882.56x = 53,047,848.42
5. Step 5: Solve for x
   x = 53,047,848.42/6,882.56
6. Step 6: Final answer
   x = 7,707.58