Finding the Fourth Proportional to 13,870.26, 19,144.53 and 8,562.04

Step by Step Solution

1. Step 1: Write the proportion equation
   13,870.26 : 19,144.53 = 8,562.04 : x
2. Step 2: Convert to fraction form
   13,870.26/19,144.53 = 8,562.04/x
3. Step 3: Cross multiply
   13,870.26x = 19,144.53 × 8,562.04
4. Step 4: Simplify right side
   13,870.26x = 163,916,183.78
5. Step 5: Solve for x
   x = 163,916,183.78/13,870.26
6. Step 6: Final answer
   x = 11,817.82