Finding the Fourth Proportional to 22,011.97, 30,342.81 and 13,498.31

Step by Step Solution

1. Step 1: Write the proportion equation
   22,011.97 : 30,342.81 = 13,498.31 : x
2. Step 2: Convert to fraction form
   22,011.97/30,342.81 = 13,498.31/x
3. Step 3: Cross multiply
   22,011.97x = 30,342.81 × 13,498.31
4. Step 4: Simplify right side
   22,011.97x = 409,576,554.56
5. Step 5: Solve for x
   x = 409,576,554.56/22,011.97
6. Step 6: Final answer
   x = 18,606.99