Finding the Fourth Proportional to 2,557,499,069.36, 3,529,348,672.56 and 1,384,077,341.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,557,499,069.36 : 3,529,348,672.56 = 1,384,077,341.36 : x
2. Step 2: Convert to fraction form
   2,557,499,069.36/3,529,348,672.56 = 1,384,077,341.36/x
3. Step 3: Cross multiply
   2,557,499,069.36x = 3,529,348,672.56 × 1,384,077,341.36
4. Step 4: Simplify right side
   2,557,499,069.36x = 4,884,891,527,449,289,728
5. Step 5: Solve for x
   x = 4,884,891,527,449,289,728/2,557,499,069.36
6. Step 6: Final answer
   x = 1,910,026,707.72