Finding the Fourth Proportional to 22,662.37, 31,271.67 and 13,100.75

Step by Step Solution

1. Step 1: Write the proportion equation
   22,662.37 : 31,271.67 = 13,100.75 : x
2. Step 2: Convert to fraction form
   22,662.37/31,271.67 = 13,100.75/x
3. Step 3: Cross multiply
   22,662.37x = 31,271.67 × 13,100.75
4. Step 4: Simplify right side
   22,662.37x = 409,682,141.64
5. Step 5: Solve for x
   x = 409,682,141.64/22,662.37
6. Step 6: Final answer
   x = 18,077.64