Finding the Fourth Proportional to 22,682.04, 31,291.02 and 13,245

Step by Step Solution

1. Step 1: Write the proportion equation
   22,682.04 : 31,291.02 = 13,245 : x
2. Step 2: Convert to fraction form
   22,682.04/31,291.02 = 13,245/x
3. Step 3: Cross multiply
   22,682.04x = 31,291.02 × 13,245
4. Step 4: Simplify right side
   22,682.04x = 414,449,559.90
5. Step 5: Solve for x
   x = 414,449,559.90/22,682.04
6. Step 6: Final answer
   x = 18,272.15