Finding the Fourth Proportional to 13,052,345,108,676, 18,012,292,248,526 and 7,119,729,081,849.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,052,345,108,676 : 18,012,292,248,526 = 7,119,729,081,849.50 : x
2. Step 2: Convert to fraction form
   13,052,345,108,676/18,012,292,248,526 = 7,119,729,081,849.50/x
3. Step 3: Cross multiply
   13,052,345,108,676x = 18,012,292,248,526 × 7,119,729,081,849.50
4. Step 4: Simplify right side
   13,052,345,108,676x = 128,242,640,952,602,892,353,667,072
5. Step 5: Solve for x
   x = 128,242,640,952,602,892,353,667,072/13,052,345,108,676
6. Step 6: Final answer
   x = 9,825,256,678,767.94