Finding the Fourth Proportional to 49,051.71, 73,588.50 and 13,991.67

Step by Step Solution

1. Step 1: Write the proportion equation
   49,051.71 : 73,588.50 = 13,991.67 : x
2. Step 2: Convert to fraction form
   49,051.71/73,588.50 = 13,991.67/x
3. Step 3: Cross multiply
   49,051.71x = 73,588.50 × 13,991.67
4. Step 4: Simplify right side
   49,051.71x = 1,029,626,007.80
5. Step 5: Solve for x
   x = 1,029,626,007.80/49,051.71
6. Step 6: Final answer
   x = 20,990.62