Finding the Fourth Proportional to 140,769, 211,109.81 and 50,800.03

Step by Step Solution

1. Step 1: Write the proportion equation
   140,769 : 211,109.81 = 50,800.03 : x
2. Step 2: Convert to fraction form
   140,769/211,109.81 = 50,800.03/x
3. Step 3: Cross multiply
   140,769x = 211,109.81 × 50,800.03
4. Step 4: Simplify right side
   140,769x = 10,724,384,681.29
5. Step 5: Solve for x
   x = 10,724,384,681.29/140,769
6. Step 6: Final answer
   x = 76,184.28