Finding the Fourth Proportional to 2,690,141,384.51, 3,713,133,587.59 and 1,561,474,764.65

Step by Step Solution

1. Step 1: Write the proportion equation
   2,690,141,384.51 : 3,713,133,587.59 = 1,561,474,764.65 : x
2. Step 2: Convert to fraction form
   2,690,141,384.51/3,713,133,587.59 = 1,561,474,764.65/x
3. Step 3: Cross multiply
   2,690,141,384.51x = 3,713,133,587.59 × 1,561,474,764.65
4. Step 4: Simplify right side
   2,690,141,384.51x = 5,797,964,394,796,105,728
5. Step 5: Solve for x
   x = 5,797,964,394,796,105,728/2,690,141,384.51
6. Step 6: Final answer
   x = 2,155,263,819.29