Finding the Fourth Proportional to 7,808.38, 10,775.56 and 5,451.88

Step by Step Solution

1. Step 1: Write the proportion equation
   7,808.38 : 10,775.56 = 5,451.88 : x
2. Step 2: Convert to fraction form
   7,808.38/10,775.56 = 5,451.88/x
3. Step 3: Cross multiply
   7,808.38x = 10,775.56 × 5,451.88
4. Step 4: Simplify right side
   7,808.38x = 58,747,060.05
5. Step 5: Solve for x
   x = 58,747,060.05/7,808.38
6. Step 6: Final answer
   x = 7,523.59