Finding the Fourth Proportional to 139,968,105.70, 209,952,158.55 and 119,560,771.30

Step by Step Solution

1. Step 1: Write the proportion equation
   139,968,105.70 : 209,952,158.55 = 119,560,771.30 : x
2. Step 2: Convert to fraction form
   139,968,105.70/209,952,158.55 = 119,560,771.30/x
3. Step 3: Cross multiply
   139,968,105.70x = 209,952,158.55 × 119,560,771.30
4. Step 4: Simplify right side
   139,968,105.70x = 25,102,042,012,337,892
5. Step 5: Solve for x
   x = 25,102,042,012,337,892/139,968,105.70
6. Step 6: Final answer
   x = 179,341,156.95