Finding the Fourth Proportional to 2,240,320,864.72, 3,091,561,750.20 and 1,236,716,876.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,240,320,864.72 : 3,091,561,750.20 = 1,236,716,876.56 : x
2. Step 2: Convert to fraction form
   2,240,320,864.72/3,091,561,750.20 = 1,236,716,876.56/x
3. Step 3: Cross multiply
   2,240,320,864.72x = 3,091,561,750.20 × 1,236,716,876.56
4. Step 4: Simplify right side
   2,240,320,864.72x = 3,823,386,591,399,710,720
5. Step 5: Solve for x
   x = 3,823,386,591,399,710,720/2,240,320,864.72
6. Step 6: Final answer
   x = 1,706,624,551.69