Finding the Fourth Proportional to 35,973.69, 49,643.98 and 20,059.21

Step by Step Solution

1. Step 1: Write the proportion equation
   35,973.69 : 49,643.98 = 20,059.21 : x
2. Step 2: Convert to fraction form
   35,973.69/49,643.98 = 20,059.21/x
3. Step 3: Cross multiply
   35,973.69x = 49,643.98 × 20,059.21
4. Step 4: Simplify right side
   35,973.69x = 995,819,020.06
5. Step 5: Solve for x
   x = 995,819,020.06/35,973.69
6. Step 6: Final answer
   x = 27,681.87