Finding the Fourth Proportional to 3,965,596,748.88, 5,947,133,121.12 and 1,309,158,215.83

Step by Step Solution

1. Step 1: Write the proportion equation
   3,965,596,748.88 : 5,947,133,121.12 = 1,309,158,215.83 : x
2. Step 2: Convert to fraction form
   3,965,596,748.88/5,947,133,121.12 = 1,309,158,215.83/x
3. Step 3: Cross multiply
   3,965,596,748.88x = 5,947,133,121.12 × 1,309,158,215.83
4. Step 4: Simplify right side
   3,965,596,748.88x = 7,785,738,186,171,962,368
5. Step 5: Solve for x
   x = 7,785,738,186,171,962,368/3,965,596,748.88
6. Step 6: Final answer
   x = 1,963,320,700.31