Finding the Fourth Proportional to 140,771, 211,112.81 and 50,802.03

Step by Step Solution

1. Step 1: Write the proportion equation
   140,771 : 211,112.81 = 50,802.03 : x
2. Step 2: Convert to fraction form
   140,771/211,112.81 = 50,802.03/x
3. Step 3: Cross multiply
   140,771x = 211,112.81 × 50,802.03
4. Step 4: Simplify right side
   140,771x = 10,724,959,307.00
5. Step 5: Solve for x
   x = 10,724,959,307.00/140,771
6. Step 6: Final answer
   x = 76,187.28