Finding the Fourth Proportional to 3,977,389,843.49, 5,967,098,156.79 and 1,179,460,595.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,977,389,843.49 : 5,967,098,156.79 = 1,179,460,595.30 : x
2. Step 2: Convert to fraction form
   3,977,389,843.49/5,967,098,156.79 = 1,179,460,595.30/x
3. Step 3: Cross multiply
   3,977,389,843.49x = 5,967,098,156.79 × 1,179,460,595.30
4. Step 4: Simplify right side
   3,977,389,843.49x = 7,037,957,144,191,230,976
5. Step 5: Solve for x
   x = 7,037,957,144,191,230,976/3,977,389,843.49
6. Step 6: Final answer
   x = 1,769,491,405.45