Finding the Fourth Proportional to 7,808.15, 10,775.15 and 4,271.31

Step by Step Solution

1. Step 1: Write the proportion equation
   7,808.15 : 10,775.15 = 4,271.31 : x
2. Step 2: Convert to fraction form
   7,808.15/10,775.15 = 4,271.31/x
3. Step 3: Cross multiply
   7,808.15x = 10,775.15 × 4,271.31
4. Step 4: Simplify right side
   7,808.15x = 46,024,032.88
5. Step 5: Solve for x
   x = 46,024,032.88/7,808.15
6. Step 6: Final answer
   x = 5,894.36