Finding the Fourth Proportional to 200,727.02, 301,141.16 and 141,678.02

Step by Step Solution

1. Step 1: Write the proportion equation
   200,727.02 : 301,141.16 = 141,678.02 : x
2. Step 2: Convert to fraction form
   200,727.02/301,141.16 = 141,678.02/x
3. Step 3: Cross multiply
   200,727.02x = 301,141.16 × 141,678.02
4. Step 4: Simplify right side
   200,727.02x = 42,665,083,289.30
5. Step 5: Solve for x
   x = 42,665,083,289.30/200,727.02
6. Step 6: Final answer
   x = 212,552.77