Finding the Fourth Proportional to 6,477.68, 9,710.35 and 4,131.10

Step by Step Solution

1. Step 1: Write the proportion equation
   6,477.68 : 9,710.35 = 4,131.10 : x
2. Step 2: Convert to fraction form
   6,477.68/9,710.35 = 4,131.10/x
3. Step 3: Cross multiply
   6,477.68x = 9,710.35 × 4,131.10
4. Step 4: Simplify right side
   6,477.68x = 40,114,426.89
5. Step 5: Solve for x
   x = 40,114,426.89/6,477.68
6. Step 6: Final answer
   x = 6,192.72