Finding the Fourth Proportional to 16,843.68, 25,271.55 and 7,222.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,843.68 : 25,271.55 = 7,222.50 : x
2. Step 2: Convert to fraction form
   16,843.68/25,271.55 = 7,222.50/x
3. Step 3: Cross multiply
   16,843.68x = 25,271.55 × 7,222.50
4. Step 4: Simplify right side
   16,843.68x = 182,523,769.88
5. Step 5: Solve for x
   x = 182,523,769.88/16,843.68
6. Step 6: Final answer
   x = 10,836.34