Finding the Fourth Proportional to 200,665.08, 301,047.71 and 141,616.08

Step by Step Solution

1. Step 1: Write the proportion equation
   200,665.08 : 301,047.71 = 141,616.08 : x
2. Step 2: Convert to fraction form
   200,665.08/301,047.71 = 141,616.08/x
3. Step 3: Cross multiply
   200,665.08x = 301,047.71 × 141,616.08
4. Step 4: Simplify right side
   200,665.08x = 42,633,195,875.10
5. Step 5: Solve for x
   x = 42,633,195,875.10/200,665.08
6. Step 6: Final answer
   x = 212,459.47