Finding the Fourth Proportional to 6,831.98, 10,244.47 and 3,131.00

Step by Step Solution

1. Step 1: Write the proportion equation
   6,831.98 : 10,244.47 = 3,131.00 : x
2. Step 2: Convert to fraction form
   6,831.98/10,244.47 = 3,131.00/x
3. Step 3: Cross multiply
   6,831.98x = 10,244.47 × 3,131.00
4. Step 4: Simplify right side
   6,831.98x = 32,075,421.31
5. Step 5: Solve for x
   x = 32,075,421.31/6,831.98
6. Step 6: Final answer
   x = 4,694.89