Finding the Fourth Proportional to 200,679.83, 301,069.91 and 141,630.83

Step by Step Solution

1. Step 1: Write the proportion equation
   200,679.83 : 301,069.91 = 141,630.83 : x
2. Step 2: Convert to fraction form
   200,679.83/301,069.91 = 141,630.83/x
3. Step 3: Cross multiply
   200,679.83x = 301,069.91 × 141,630.83
4. Step 4: Simplify right side
   200,679.83x = 42,640,781,219.07
5. Step 5: Solve for x
   x = 42,640,781,219.07/200,679.83
6. Step 6: Final answer
   x = 212,481.65