Finding the Fourth Proportional to 22,152.51, 30,573.72 and 13,205.25

Step by Step Solution

1. Step 1: Write the proportion equation
   22,152.51 : 30,573.72 = 13,205.25 : x
2. Step 2: Convert to fraction form
   22,152.51/30,573.72 = 13,205.25/x
3. Step 3: Cross multiply
   22,152.51x = 30,573.72 × 13,205.25
4. Step 4: Simplify right side
   22,152.51x = 403,733,616.03
5. Step 5: Solve for x
   x = 403,733,616.03/22,152.51
6. Step 6: Final answer
   x = 18,225.19