Finding the Fourth Proportional to 200,727.03, 301,141.17 and 141,678.03

Step by Step Solution

1. Step 1: Write the proportion equation
   200,727.03 : 301,141.17 = 141,678.03 : x
2. Step 2: Convert to fraction form
   200,727.03/301,141.17 = 141,678.03/x
3. Step 3: Cross multiply
   200,727.03x = 301,141.17 × 141,678.03
4. Step 4: Simplify right side
   200,727.03x = 42,665,087,009.11
5. Step 5: Solve for x
   x = 42,665,087,009.11/200,727.03
6. Step 6: Final answer
   x = 212,552.77