Finding the Fourth Proportional to 10,046.43, 13,864.77 and 5,570.60

Step by Step Solution

1. Step 1: Write the proportion equation
   10,046.43 : 13,864.77 = 5,570.60 : x
2. Step 2: Convert to fraction form
   10,046.43/13,864.77 = 5,570.60/x
3. Step 3: Cross multiply
   10,046.43x = 13,864.77 × 5,570.60
4. Step 4: Simplify right side
   10,046.43x = 77,235,087.76
5. Step 5: Solve for x
   x = 77,235,087.76/10,046.43
6. Step 6: Final answer
   x = 7,687.81