Finding the Fourth Proportional to 13,870.14, 19,147.32 and 8,568.06

Step by Step Solution

1. Step 1: Write the proportion equation
   13,870.14 : 19,147.32 = 8,568.06 : x
2. Step 2: Convert to fraction form
   13,870.14/19,147.32 = 8,568.06/x
3. Step 3: Cross multiply
   13,870.14x = 19,147.32 × 8,568.06
4. Step 4: Simplify right side
   13,870.14x = 164,055,386.60
5. Step 5: Solve for x
   x = 164,055,386.60/13,870.14
6. Step 6: Final answer
   x = 11,827.95