Finding the Fourth Proportional to 200,725.02, 301,138.16 and 141,676.02

Step by Step Solution

1. Step 1: Write the proportion equation
   200,725.02 : 301,138.16 = 141,676.02 : x
2. Step 2: Convert to fraction form
   200,725.02/301,138.16 = 141,676.02/x
3. Step 3: Cross multiply
   200,725.02x = 301,138.16 × 141,676.02
4. Step 4: Simplify right side
   200,725.02x = 42,664,055,978.92
5. Step 5: Solve for x
   x = 42,664,055,978.92/200,725.02
6. Step 6: Final answer
   x = 212,549.77