Finding the Fourth Proportional to 22,532.72, 31,098.94 and 13,106.75

Step by Step Solution

1. Step 1: Write the proportion equation
   22,532.72 : 31,098.94 = 13,106.75 : x
2. Step 2: Convert to fraction form
   22,532.72/31,098.94 = 13,106.75/x
3. Step 3: Cross multiply
   22,532.72x = 31,098.94 × 13,106.75
4. Step 4: Simplify right side
   22,532.72x = 407,605,843.58
5. Step 5: Solve for x
   x = 407,605,843.58/22,532.72
6. Step 6: Final answer
   x = 18,089.51