Finding the Fourth Proportional to 13,874.22, 19,141.71 and 8,570.22

Step by Step Solution

1. Step 1: Write the proportion equation
   13,874.22 : 19,141.71 = 8,570.22 : x
2. Step 2: Convert to fraction form
   13,874.22/19,141.71 = 8,570.22/x
3. Step 3: Cross multiply
   13,874.22x = 19,141.71 × 8,570.22
4. Step 4: Simplify right side
   13,874.22x = 164,048,665.88
5. Step 5: Solve for x
   x = 164,048,665.88/13,874.22
6. Step 6: Final answer
   x = 11,823.99