Finding the Fourth Proportional to 200,722.77, 301,134.78 and 141,673.77

Step by Step Solution

1. Step 1: Write the proportion equation
   200,722.77 : 301,134.78 = 141,673.77 : x
2. Step 2: Convert to fraction form
   200,722.77/301,134.78 = 141,673.77/x
3. Step 3: Cross multiply
   200,722.77x = 301,134.78 × 141,673.77
4. Step 4: Simplify right side
   200,722.77x = 42,662,899,560.72
5. Step 5: Solve for x
   x = 42,662,899,560.72/200,722.77
6. Step 6: Final answer
   x = 212,546.39