Finding the Fourth Proportional to 1,969,105,978.92, 2,718,202,951.62 and 1,226,916,735.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,969,105,978.92 : 2,718,202,951.62 = 1,226,916,735.96 : x
2. Step 2: Convert to fraction form
   1,969,105,978.92/2,718,202,951.62 = 1,226,916,735.96/x
3. Step 3: Cross multiply
   1,969,105,978.92x = 2,718,202,951.62 × 1,226,916,735.96
4. Step 4: Simplify right side
   1,969,105,978.92x = 3,335,008,693,078,448,128
5. Step 5: Solve for x
   x = 3,335,008,693,078,448,128/1,969,105,978.92
6. Step 6: Final answer
   x = 1,693,666,429.73