Finding the Fourth Proportional to 22,748.56, 31,393.25 and 13,190.69

Step by Step Solution

1. Step 1: Write the proportion equation
   22,748.56 : 31,393.25 = 13,190.69 : x
2. Step 2: Convert to fraction form
   22,748.56/31,393.25 = 13,190.69/x
3. Step 3: Cross multiply
   22,748.56x = 31,393.25 × 13,190.69
4. Step 4: Simplify right side
   22,748.56x = 414,098,433.00
5. Step 5: Solve for x
   x = 414,098,433.00/22,748.56
6. Step 6: Final answer
   x = 18,203.28