Finding the Fourth Proportional to 1,780,377,519.63, 2,456,897,795.31 and 1,017,412,908.51

Step by Step Solution

1. Step 1: Write the proportion equation
   1,780,377,519.63 : 2,456,897,795.31 = 1,017,412,908.51 : x
2. Step 2: Convert to fraction form
   1,780,377,519.63/2,456,897,795.31 = 1,017,412,908.51/x
3. Step 3: Cross multiply
   1,780,377,519.63x = 2,456,897,795.31 × 1,017,412,908.51
4. Step 4: Simplify right side
   1,780,377,519.63x = 2,499,679,531,838,153,728
5. Step 5: Solve for x
   x = 2,499,679,531,838,153,728/1,780,377,519.63
6. Step 6: Final answer
   x = 1,404,016,566.31