Finding the Fourth Proportional to 345,719, 518,665.98 and 96,401

Step by Step Solution

1. Step 1: Write the proportion equation
   345,719 : 518,665.98 = 96,401 : x
2. Step 2: Convert to fraction form
   345,719/518,665.98 = 96,401/x
3. Step 3: Cross multiply
   345,719x = 518,665.98 × 96,401
4. Step 4: Simplify right side
   345,719x = 49,999,919,137.98
5. Step 5: Solve for x
   x = 49,999,919,137.98/345,719
6. Step 6: Final answer
   x = 144,625.89