Finding the Fourth Proportional to 49,184.69, 73,776.87 and 21,086.55

Step by Step Solution

1. Step 1: Write the proportion equation
   49,184.69 : 73,776.87 = 21,086.55 : x
2. Step 2: Convert to fraction form
   49,184.69/73,776.87 = 21,086.55/x
3. Step 3: Cross multiply
   49,184.69x = 73,776.87 × 21,086.55
4. Step 4: Simplify right side
   49,184.69x = 1,555,699,658.10
5. Step 5: Solve for x
   x = 1,555,699,658.10/49,184.69
6. Step 6: Final answer
   x = 31,629.76