Finding the Fourth Proportional to 22,502.43, 31,053.39 and 13,071

Step by Step Solution

1. Step 1: Write the proportion equation
   22,502.43 : 31,053.39 = 13,071 : x
2. Step 2: Convert to fraction form
   22,502.43/31,053.39 = 13,071/x
3. Step 3: Cross multiply
   22,502.43x = 31,053.39 × 13,071
4. Step 4: Simplify right side
   22,502.43x = 405,898,860.69
5. Step 5: Solve for x
   x = 405,898,860.69/22,502.43
6. Step 6: Final answer
   x = 18,038.00