Finding the Fourth Proportional to 260,436, 359,401.68 and 141,204

Step by Step Solution

1. Step 1: Write the proportion equation
   260,436 : 359,401.68 = 141,204 : x
2. Step 2: Convert to fraction form
   260,436/359,401.68 = 141,204/x
3. Step 3: Cross multiply
   260,436x = 359,401.68 × 141,204
4. Step 4: Simplify right side
   260,436x = 50,748,954,822.72
5. Step 5: Solve for x
   x = 50,748,954,822.72/260,436
6. Step 6: Final answer
   x = 194,861.52