Finding the Fourth Proportional to 10,269.10, 14,158.52 and 8,570.06

Step by Step Solution

1. Step 1: Write the proportion equation
   10,269.10 : 14,158.52 = 8,570.06 : x
2. Step 2: Convert to fraction form
   10,269.10/14,158.52 = 8,570.06/x
3. Step 3: Cross multiply
   10,269.10x = 14,158.52 × 8,570.06
4. Step 4: Simplify right side
   10,269.10x = 121,339,365.91
5. Step 5: Solve for x
   x = 121,339,365.91/10,269.10
6. Step 6: Final answer
   x = 11,815.97