Finding the Fourth Proportional to 22,570.32, 33,851.42 and 13,214.82

Step by Step Solution

1. Step 1: Write the proportion equation
   22,570.32 : 33,851.42 = 13,214.82 : x
2. Step 2: Convert to fraction form
   22,570.32/33,851.42 = 13,214.82/x
3. Step 3: Cross multiply
   22,570.32x = 33,851.42 × 13,214.82
4. Step 4: Simplify right side
   22,570.32x = 447,340,422.04
5. Step 5: Solve for x
   x = 447,340,422.04/22,570.32
6. Step 6: Final answer
   x = 19,819.85