Finding the Fourth Proportional to 6,830.01, 10,249.88 and 5,271.57

Step by Step Solution

1. Step 1: Write the proportion equation
   6,830.01 : 10,249.88 = 5,271.57 : x
2. Step 2: Convert to fraction form
   6,830.01/10,249.88 = 5,271.57/x
3. Step 3: Cross multiply
   6,830.01x = 10,249.88 × 5,271.57
4. Step 4: Simplify right side
   6,830.01x = 54,032,959.91
5. Step 5: Solve for x
   x = 54,032,959.91/6,830.01
6. Step 6: Final answer
   x = 7,911.11