Finding the Fourth Proportional to 49,049.06, 73,574.30 and 13,988.72

Step by Step Solution

1. Step 1: Write the proportion equation
   49,049.06 : 73,574.30 = 13,988.72 : x
2. Step 2: Convert to fraction form
   49,049.06/73,574.30 = 13,988.72/x
3. Step 3: Cross multiply
   49,049.06x = 73,574.30 × 13,988.72
4. Step 4: Simplify right side
   49,049.06x = 1,029,210,395.89
5. Step 5: Solve for x
   x = 1,029,210,395.89/49,049.06
6. Step 6: Final answer
   x = 20,983.28