Finding the Fourth Proportional to 12,757.48, 17,605.56 and 7,092.70

Step by Step Solution

1. Step 1: Write the proportion equation
   12,757.48 : 17,605.56 = 7,092.70 : x
2. Step 2: Convert to fraction form
   12,757.48/17,605.56 = 7,092.70/x
3. Step 3: Cross multiply
   12,757.48x = 17,605.56 × 7,092.70
4. Step 4: Simplify right side
   12,757.48x = 124,870,955.41
5. Step 5: Solve for x
   x = 124,870,955.41/12,757.48
6. Step 6: Final answer
   x = 9,788.06