Finding the Fourth Proportional to 10,517.67, 15,776.55 and 2,726.55

Step by Step Solution

1. Step 1: Write the proportion equation
   10,517.67 : 15,776.55 = 2,726.55 : x
2. Step 2: Convert to fraction form
   10,517.67/15,776.55 = 2,726.55/x
3. Step 3: Cross multiply
   10,517.67x = 15,776.55 × 2,726.55
4. Step 4: Simplify right side
   10,517.67x = 43,015,552.40
5. Step 5: Solve for x
   x = 43,015,552.40/10,517.67
6. Step 6: Final answer
   x = 4,089.84