Finding the Fourth Proportional to 22,215.68, 33,307.06 and 13,448.52

Step by Step Solution

1. Step 1: Write the proportion equation
   22,215.68 : 33,307.06 = 13,448.52 : x
2. Step 2: Convert to fraction form
   22,215.68/33,307.06 = 13,448.52/x
3. Step 3: Cross multiply
   22,215.68x = 33,307.06 × 13,448.52
4. Step 4: Simplify right side
   22,215.68x = 447,930,662.55
5. Step 5: Solve for x
   x = 447,930,662.55/22,215.68
6. Step 6: Final answer
   x = 20,162.82