Finding the Fourth Proportional to 49,061.80, 73,570.56 and 13,993.12

Step by Step Solution

1. Step 1: Write the proportion equation
   49,061.80 : 73,570.56 = 13,993.12 : x
2. Step 2: Convert to fraction form
   49,061.80/73,570.56 = 13,993.12/x
3. Step 3: Cross multiply
   49,061.80x = 73,570.56 × 13,993.12
4. Step 4: Simplify right side
   49,061.80x = 1,029,481,674.55
5. Step 5: Solve for x
   x = 1,029,481,674.55/49,061.80
6. Step 6: Final answer
   x = 20,983.37