Finding the Fourth Proportional to 12,077,318,608.48, 18,109,916,900.78 and 7,036,804,010.03

Step by Step Solution

1. Step 1: Write the proportion equation
   12,077,318,608.48 : 18,109,916,900.78 = 7,036,804,010.03 : x
2. Step 2: Convert to fraction form
   12,077,318,608.48/18,109,916,900.78 = 7,036,804,010.03/x
3. Step 3: Cross multiply
   12,077,318,608.48x = 18,109,916,900.78 × 7,036,804,010.03
4. Step 4: Simplify right side
   12,077,318,608.48x = 127,435,935,868,593,045,504
5. Step 5: Solve for x
   x = 127,435,935,868,593,045,504/12,077,318,608.48
6. Step 6: Final answer
   x = 10,551,674,589.36