Finding the Fourth Proportional to 23,296.98, 32,146.56 and 13,222.20

Step by Step Solution

1. Step 1: Write the proportion equation
   23,296.98 : 32,146.56 = 13,222.20 : x
2. Step 2: Convert to fraction form
   23,296.98/32,146.56 = 13,222.20/x
3. Step 3: Cross multiply
   23,296.98x = 32,146.56 × 13,222.20
4. Step 4: Simplify right side
   23,296.98x = 425,048,245.63
5. Step 5: Solve for x
   x = 425,048,245.63/23,296.98
6. Step 6: Final answer
   x = 18,244.78