Finding the Fourth Proportional to 10,286.10, 14,194.71 and 5,570.33

Step by Step Solution

1. Step 1: Write the proportion equation
   10,286.10 : 14,194.71 = 5,570.33 : x
2. Step 2: Convert to fraction form
   10,286.10/14,194.71 = 5,570.33/x
3. Step 3: Cross multiply
   10,286.10x = 14,194.71 × 5,570.33
4. Step 4: Simplify right side
   10,286.10x = 79,069,147.98
5. Step 5: Solve for x
   x = 79,069,147.98/10,286.10
6. Step 6: Final answer
   x = 7,686.99