Finding the Fourth Proportional to 10,721.85, 14,796.15 and 5,876.55

Step by Step Solution

1. Step 1: Write the proportion equation
   10,721.85 : 14,796.15 = 5,876.55 : x
2. Step 2: Convert to fraction form
   10,721.85/14,796.15 = 5,876.55/x
3. Step 3: Cross multiply
   10,721.85x = 14,796.15 × 5,876.55
4. Step 4: Simplify right side
   10,721.85x = 86,950,315.28
5. Step 5: Solve for x
   x = 86,950,315.28/10,721.85
6. Step 6: Final answer
   x = 8,109.64