Finding the Fourth Proportional to 2,154,123,780.26, 3,226,660,661.89 and 1,366,772,153.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,154,123,780.26 : 3,226,660,661.89 = 1,366,772,153.49 : x
2. Step 2: Convert to fraction form
   2,154,123,780.26/3,226,660,661.89 = 1,366,772,153.49/x
3. Step 3: Cross multiply
   2,154,123,780.26x = 3,226,660,661.89 × 1,366,772,153.49
4. Step 4: Simplify right side
   2,154,123,780.26x = 4,410,109,941,424,976,384
5. Step 5: Solve for x
   x = 4,410,109,941,424,976,384/2,154,123,780.26
6. Step 6: Final answer
   x = 2,047,287,153.05