Finding the Fourth Proportional to 28,976.98, 39,986.85 and 17,796.82

Step by Step Solution

1. Step 1: Write the proportion equation
   28,976.98 : 39,986.85 = 17,796.82 : x
2. Step 2: Convert to fraction form
   28,976.98/39,986.85 = 17,796.82/x
3. Step 3: Cross multiply
   28,976.98x = 39,986.85 × 17,796.82
4. Step 4: Simplify right side
   28,976.98x = 711,638,771.82
5. Step 5: Solve for x
   x = 711,638,771.82/28,976.98
6. Step 6: Final answer
   x = 24,558.76