Finding the Fourth Proportional to 200,720.52, 301,131.41 and 141,671.52

Step by Step Solution

1. Step 1: Write the proportion equation
   200,720.52 : 301,131.41 = 141,671.52 : x
2. Step 2: Convert to fraction form
   200,720.52/301,131.41 = 141,671.52/x
3. Step 3: Cross multiply
   200,720.52x = 301,131.41 × 141,671.52
4. Step 4: Simplify right side
   200,720.52x = 42,661,743,866.09
5. Step 5: Solve for x
   x = 42,661,743,866.09/200,720.52
6. Step 6: Final answer
   x = 212,543.01