Finding the Fourth Proportional to 22,871.61, 31,559.01 and 13,441.99

Step by Step Solution

1. Step 1: Write the proportion equation
   22,871.61 : 31,559.01 = 13,441.99 : x
2. Step 2: Convert to fraction form
   22,871.61/31,559.01 = 13,441.99/x
3. Step 3: Cross multiply
   22,871.61x = 31,559.01 × 13,441.99
4. Step 4: Simplify right side
   22,871.61x = 424,215,896.83
5. Step 5: Solve for x
   x = 424,215,896.83/22,871.61
6. Step 6: Final answer
   x = 18,547.71