Finding the Fourth Proportional to 251,680.84, 347,327.82 and 144,271.20

Step by Step Solution

1. Step 1: Write the proportion equation
   251,680.84 : 347,327.82 = 144,271.20 : x
2. Step 2: Convert to fraction form
   251,680.84/347,327.82 = 144,271.20/x
3. Step 3: Cross multiply
   251,680.84x = 347,327.82 × 144,271.20
4. Step 4: Simplify right side
   251,680.84x = 50,109,401,384.78
5. Step 5: Solve for x
   x = 50,109,401,384.78/251,680.84
6. Step 6: Final answer
   x = 199,098.99